Flat Rate Us Postal Service Boxes8% Parcel Select Ground pricing remains the same as 2022 rates Regional Rate Boxes A & B® services have been discontinued. 2023 Postage Price Changes - faq. We can help by doing the packing and mailing for you. packages, use your own box and ship via USPS First-Class Package Service. Priority Mail Flat Rate® Boxes Variety Pack 4 Boxes $0. You can order free boxes and envelopes online at the USPS store. Regional Flat Rate Shipping Boxes Post Office PickerGoose 1. USPS Priority Flat rate is a shipping service provided by the US Postal Service that offers 1-3 day shipping services for a single flat rate. It measures 10" x 6" and costs $6. For the year 2022, though, small flat rate boxes are going to start at about $8. Please select from the following options. 65 Padded Flat-Rate Envelope Proposed. Ship from Post Office ™ locations or from your home or business with Click-N-Ship ® service. or less for each envelope or package. 00 Priority Mail Flat Rate® Boxes Variety Pack 4 Boxes. 45, medium-sized boxes are going to bump up to $15. com can save you money. Priority Mail Flat Rate® Medium Box - 2 Single, Pack of 10 or 25 14-1/8" (L) x 12" (W) x 3-1/2" (H) $0. 00 Dual-Use Priority Mail®/Priority Mail Express® Small Tube Pack of 10 or 20 25-9/16" (L) x 6" (W) x 5-1/4" (H) $0. CINCINNATI (WKRC) — An effort by the U. Our fastest domestic shipping service, Priority Mail Express ® delivers 7 days a week, 365 days a year (with limited exceptions). The Postal Service will even deliver the supplies to your door for free. Prices vary by product, as shown in the table below. com compares prices from Serving US and the World Verified Easy as pie. 00 Priority Mail Flat Rate® Medium Box - 1 Single, Pack of 10 or 25 11-1/4" (L) x 8-3/4" (W) x 6" (H) $0. Postal Service to thwart criminals is causing an unfortunate side effect for some customers. Are USPS Boxes Free? How to Save Money Shipping with the. 00 Priority Mail Flat Rate® Large Box Single, Pack of 10 or 25 12-1/4" (L) x. Priority Mail® Forever Prepaid Small Box. packages, use a Flat Rate box. Size and weight become important when you use packaging to post with us. 00 Priority Mail Flat Rate® Large Box Single, Pack of 10 or 25 12-1/4" (L) x 12" (W) x 6" (H) $0. The PRC will review the prices before they are scheduled to take effect. I nside: 8 5/8″ x 5 3/8″ x 1 5/8″. USPS Flat Rate Box Sizes, Prices, and How it Works. packages, choose Flat Rate for long distances and your own box for short distances. 90 and can hold laptop-sized items. Priority Mail International. Priority Mail Flat Rate® Medium Box - 2 Single, Pack of 10 or 25 14-1/8" (L) x 12" (W) x 3-1/2" (H) $0. View Flat Rate Envelopes. APO/FPO Large Flat-Rate Box $18. com offers insurance coverage up to $10,000. This year, Large Flat Rate boxes saw a full $1 increase. Priority Mail and Priority Mail Express: Commercial: $0. Our shipping calculator will find the cheapest USPS postage costs and allows you to compare them to other couriers Ship USPS with Easyship Get The Most Out Of USPS. Today, USPS flat rate services address many ecommerce delivery problems and costs. Flat Rate Shipping: What Are USPS Flat Rate Boxes?. The Postal Service will even deliver the supplies to your door for free. 45, medium-sized boxes are going to bump up to $15. Shipping smaller items? You’ll save money by using a Flat Rate envelope. 7 Reasons to Consider USPS Flat Rate Shipping. Priority Mail Flat Rate is a 1 to 3 day shipping service provided by the U. Next-Day to 2-Day Guarantee by 6 PM 1. com offers insurance coverage up to $10,000. Choose a Format Boxes (1-5) $0. Prices for USPS flat rate box shipping options are set every year, though the USPS may decide to keep prices the same on a year-to-year basis. 00 Priority Mail® Box - 1096L Pack of 10 or 25 9-7/16" (L) x 6-7/16" (W) x 2-3/16" (H) $0. US Postal Service's new blue boxes are designed to thwart crime, not. What Are the Sizes of USPS Flat Rate Boxes?. This year, Large Flat Rate boxes saw a full $1 increase. Or ship by weight: For packages up to 70 lbs, prices vary by destination country price group and start at $42. com Postal Store Go to USPS. Small Flat-Rate Box $7. Very easy to print labels and custom papers necessary for shipping. Our Express Mail ® Flat-Rate Envelope eliminates the need to. Postal Service (USPS) that features one flat rate for delivery of a package or envelope to its destination. On the top end, large USPS Flat Rates boxes start at $21. Next-day delivery is available to most U. The United States Postal Service (USPS) offers a free Military Care Kit. USPS Priority Flat rate is a shipping service provided by the US Postal Service that offers 1-3 day shipping services for a single flat rate. The USPS flat-rate boxes are Priority Mail, meaning a package usually arrives in two or three days. com">Free Shipping Supplies. What Priority Mail® Flat Rate Boxes Are Available? - USPS. What Priority Mail® Flat Rate Boxes Are Available? - USPS. The United States Postal Service (USPS) offers a range of shipping boxes to match its shipping services, including: USPS Flat Rate boxes; Small USPS Flat. Flat Rate Large Box. 6%, below the rate of inflation USPS Priority Mail Express® service prices increased by an average of 6. USPS Priority Mail 2021 Rate Changes. What is Priority Mail®? - USPS. com Shop our selection of Flat Rate, Priority Mail Shipping Supplies on the USPS. Overall, Priority Mail service prices would increase approximately 5. Postal Service Announces New Prices for 2020">U. What Priority Mail® Flat Rate Boxes Are Available? - USPS. 6 percent First-Class Package Service prices would increase by 7. If you’re sending 5kg or under in Australia using If It Packs, It Posts flat rate packaging, it’s eligible for flat rate postage. Flat Rate option: Ship using free Flat Rate Boxes and Envelopes (envelopes and small boxes up to 4 lbs, medium and large boxes up to 20 lbs), starting at $30. Boxes | Flat Rate | Priority Mail | USPS. com customers save up to 10% off the Post Office rate each time they print a. US Postal Service's new blue boxes are designed to thwart ">US Postal Service's new blue boxes are designed to thwart. Postal Service Announces Proposed Temporary Rate. Postal Service Announces New Competitive Prices for 2023">U. 2023 Postage Price Changes - faq. Includes Customer's Return Address. Flat-Rate Package Options. What is Priority Mail®? - USPS. Your Pickup Details. 00 Priority Mail Express® Padded Flat Rate Envelope Pack of 10 12-1/2" (L) x 9-1/2" (W) $0. USPS Flat Rate Boxes, Envelopes, & Pricing. Priority Mail Flat Rate ® lets you ship packages up to 70 lbs to any state at the same price. 45 Regular Flat-Rate Envelope $7. You can also pick up free supplies at your local Post Office. USPS flat rate shipping is a popular option for eCommerce merchants as it simplifies shipping. Use USPS Forever Prepaid Flat Rate Boxes to lock in today's cheap Flat Rate prices. USPS shipping rates are based on three different factors: Which USPS service you choose The size & weight of the package (except for Flat Rate) How far away your recipient is from you, which is also known as the " Zone " Zones are calculated using the zipcodes, and vary based on the distance from the origin of a shipment to its destination. 8 percent Overall, Priority Mail service prices would increase by approximately 5. When mailing passports or other small documents, you'll need the small flat rate envelope. Regional Flat Rate Shipping Boxes Post Office. US Postal Service's new blue boxes are designed to thwart …. Effective May 4, 2020, the Postal Service™ will revise Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM ® ), in various sections, to clarify standards related to the use of USPS-produced Flat Rate containers and to ensure that the clarified standards are consistent throughout the DMM. When to Use USPS Flat Rate Boxes For 1 - 20 lb. One of the biggest perks of the USPS Flat Rate packaging is you can order these shipping supplies from USPS for free, and they’ll deliver them straight to your home or office. Priority Mail Flat Rate® Small Box. USPS 2023 Shipping Rate Changes Highlights: Priority Mail commercial rates will increase by 3. Medium boxes will rise to $16. Size and weight become important when you use packaging to post with us. Priority Mail Express Flat Rate lets you ship packages up to 70 lbs to any state at the same price. Priority Mail Flat Rate® Small Box Single, Pack of 10 or 25 Size: 8-11/16" (L) x 5-7/16" (W) x 1-3/4" (H) SKU: Issue Date: 9/1/2018 The Priority Mail Flat Rate® Small Box is about the same size and shape as three stacked DVD cases. USPS provides these flat rate boxes and envelopes for free at most Post Offices or will ship them to you at the USPS Storeopen_in_new. Most boxes will typically come in packs of 10 or 25, so keep that in mind as you complete your order. USPS Priority Mail 2021 Rate Changes. Are USPS Boxes Free? How to Save Money Shipping …. The Postal Service will even deliver the supplies to your door for free. When you select your quantity, you’re choosing how many packs (of 10, 25, etc. Prices for USPS flat rate box shipping options are set every year, though the USPS may decide to keep prices the same on a year-to-year basis. Flat Rate Packaging – Australia Post. You have to use the branded Flat Rate boxes. Priority Mail Flat Rate® Boxes Variety Pack 4 Boxes $0. com customers save up to 10% off the Post Office rate each time they print a shipping label for a Priority Mail Flat Rate envelope or box. A new version of the "big blue postal box" is designed to. CINCINNATI (WKRC) — An effort by the U. Order free Flat Rate boxes from the USPS. com">2023 Postage Price Changes. US Postal Service's new blue boxes are designed to thwart. com">Priority Mail Flat Rate® Small Box. Priority Mail packages also receive special handling and extra care in the USPS system. USPS Postage Shipping Rate Changes & Increases 2021. 52K subscribers Subscribe Streamed 10 years ago In this video I show you how to save money by shipping items through the United. For smaller items, particularly small dense/heavy items that don’t fit in envelopes, the USPS Priority Mail Flat Rate Small Box is a great option. USPS Priority Mail Flat Rate boxes and envelopes are very popular shipping services for many online sellers thanks to their simplicity, availability of free packaging, and competitive rates, regardless of package weight or destination. Priority Mail Flat Rate Shipping Supplies Boxes. What Priority Mail® Flat Rate Boxes Are Available? - USPS. Priority Mail Flat Rate Shipping Supplies Boxes. For smaller items, particularly small dense/heavy items that don't fit in envelopes, the USPS Priority Mail Flat Rate Small Box is a great option. Small USPS Flat Rate boxes start at $8. Shipping with Priority Mail Flat Rate boxes or envelopes using Stamps. Priority Mail Flat Rate® Medium Box - 2 Single, Pack of 10 or 25 14-1/8" (L) x 12" (W) x 3-1/2" (H) $0. Priority Mail ® service offers a variety of Flat-Rate Boxes and Envelopes that ship for the same price to any domestic address, regardless of how much they weigh or how far they’re going. Shipping with Priority Mail Flat Rate boxes or envelopes using Stamps. USPS Priority Mail® rates increased by 3. 8-11/16"(L) x 5-7/16"(W) x 1-3/4"(H) $10. USPS Flat Rate Shipping Guide (2023 Rates). In addition, save up to 15% below Commercial Plus Pricing (CPP), the lowest pricing offered by USPS. 5 percent, Priority Mail Express service prices would increase by 6. When mailing passports or other small documents, you'll need the small flat rate envelope. Shipping with Priority Mail Flat Rate boxes or envelopes using Stamps. So, that’s why we have a range of packaging that you can use to pack and send at a flat rate. Ship from Post Office ™ locations or from your home or business with Click-N-Ship ® service. Postal Service Announces New Prices for 2020. More than a decade later, on November 20, 2004, the USPS released the Priority Mail flat-rate box. Mail® Flat Rate Boxes Are Available?. 00 Priority Mail Express® Padded Flat Rate Envelope Pack of 10 12-1/2" (L) x 9-1/2" (W) $0. com Shop our selection of Flat Rate, Priority Mail Shipping Supplies on the USPS. 00 Priority Mail Flat Rate® Large Box Single, Pack of 10 or 25 12-1/4" (L) x 12" (W) x 6" (H) $0. A new version of the "big blue postal box" is designed to. Please print this page for your records or write down your confirmation number (s). USPS Boxes 101: Sizes, Prices & Restrictions. CINCINNATI (WKRC) — An effort by the U. Priority Mail Express Shipping. Shipping smaller items? You’ll save money by using a Flat Rate envelope. Cut your USPS shipping rates As an Easyship customer, you have automatic access to discounted shipping rates for USPS up to 89% off the retail price as well as up to 15% off CPP pricing. So, that's why we have a range of packaging that you can use to pack and send at a flat rate. 2023 USPS Rate Changes and Service Updates. On the top end, large USPS Flat Rates boxes start at $21. New for 2021, a $100 fee will be assessed on parcels found in the mailstream that exceed the maximum mailable size limit (combined length and girth greater than 130 inches). How Much Does Priority Mail® Cost? - USPS. First Class International Package Service rates are increasing by an average of 2. Taking the envelope to the post office or scheduling a mailing through the USPS website will result in a charge of $6. Skip to Main ContentSkip All Utility Navigation Current language:English English Español Chinese LocationsSupportInformed DeliveryRegister / Sign In. USPS provides these flat rate boxes and envelopes for free at most Post Offices or will ship them to you at the USPS Storeopen_in_new. Ship Now Priority Mail Express ® Next Day Features &. Priority Mail ® service offers a variety of Flat-Rate Boxes and Envelopes that ship for the same price to any domestic address, regardless of how much they weigh or how far they’re going. Postal Service to thwart criminals is causing an unfortunate side effect for some customers. Priority Mail Flat Rate® Small Box Single, Pack of 10 or 25 Size: 8-11/16" (L) x 5-7/16" (W) x 1-3/4" (H) SKU: Issue Date: 9/1/2018 The Priority Mail Flat Rate® Small Box is about the same size and shape as three stacked DVD cases. Priority Mail ® service offers a variety of Flat-Rate Boxes and Envelopes that ship for the same price to any domestic address, regardless of how much they weigh or how far they're going. USPS 2023 Shipping Rate Changes: Flat Rate, Priority, First ">USPS 2023 Shipping Rate Changes: Flat Rate, Priority, First. Shipping with Priority Mail Flat Rate boxes or envelopes using Stamps. 35 Legal Flat-Rate Envelope $7. The kit includes: Two Priority Mail APO/FPO Flat Rate Boxes Two Priority Mail Medium Flat Rate. Use your own box (NOT a Flat Rate box) for the following scenarios:. USPS shipping rates are based on three different factors: Which USPS service you choose The size & weight of the package (except for Flat Rate) How far away your recipient is from you, which is also known as the " Zone " Zones are calculated using the zipcodes, and vary based on the distance from the origin of a shipment to its destination. Understanding USPS Flat Rate Shipping: Costs & Speeds">Understanding USPS Flat Rate Shipping: Costs & Speeds. Flat-Rate Package Options. When you select your quantity, you’re. 2023 Postage Price Changes - faq. Postal Service Announces Proposed Temporary Rate ">U. WASHINGTON — The United States Postal Service filed notice with the Postal Regulatory Commission (PRC) today of price changes to take effect Jan. 12 1⁄4″ x 12 1⁄4″ x 6″. 00 Priority Mail Flat Rate® Medium Box - 2 Single, Pack of 10 or 25 14-1/8" (L) x 12" (W) x 3-1/2" (H) $0. How Much Does Priority Mail® Cost? - USPS. Size and weight become important when you use packaging to post with us. Most boxes will typically come in packs of 10 or 25, so keep that in mind as you complete your order. Priority Mail Express Flat Rate lets you ship packages up to 70 lbs to any state at the same price. Flat Rate option: Ship using free Flat Rate Boxes and Envelopes (envelopes and small boxes up to 4 lbs, medium and large boxes up to 20 lbs), starting at $30. APO/FPO Large Flat-Rate Box $18. Ship with United States Postal Service Package Document Freight Container From Country Postal code To Country Postal code Find Price Prices from $6 Coolparcel. Boxes | Flat Rate | Priority Mail | USPS. Flat Rate option: Ship using free Flat Rate Boxes and Envelopes (envelopes and small boxes up to 4 lbs, medium and large boxes up to 20 lbs), starting at $30. Save your much needed time by using Office Depot OfficeMax packing & shipping services today. Priority Mail ® service offers a variety of Flat-Rate Boxes and Envelopes that ship for the same price to any domestic address,. Unlike other postal products, the prices for competitive products are “primarily adjusted according to market conditions,” the USPS said. USPS Priority Mail® Flat Rate Small Box. Flat Rate Medium Box 2. Small Flat-Rate Box $7. 6% USPS First-Class Package Service prices increase by an average of 7. Or ship by weight: For packages. 30 Medium Flat-Rate Box $14. The postal service’s flat-rate offering began in February 1991 when it introduced the Priority Mail flat-rate envelope. Flat Rate Packaging – Australia Post">Flat Rate Packaging – Australia Post. Easyship can help you save up to 70% of all USPS shipping rates, regardless of what boxes you use. USPS 2023 Shipping Rate Changes Highlights: Priority Mail commercial rates will increase by 3. Additionally, the maximum weight for medium and large Priority Mail International Flat Rate Boxes is 20 lbs. 95 APO/FPO Large Flat-Rate Box $18. This service will see a 6. Prices for USPS flat rate box shipping options are set every year, though the USPS may decide to keep prices the same on a year-to-year basis. Retail Postage Price Calculator. You can order free boxes and envelopes online at the USPS store. Ship Now Priority Mail Express Prices Features & Pricing Fastest delivery times: next day to 2 days with a money-back guarantee 1. 00 More Information Expand all Description. 80 increase for Zones 5-9, 0-10 lbs. 90 Medium Flat-Rate Box $14. Flat-Rate Package Options If It Fits, It Ships ®. 50, and large flat rate boxes are going to run about $21. Flat-Rate Package Options If It Fits, It Ships ®. There are three main Flat Rate Box sizes, including: Flat Rate Small Box. Priority Mail and Priority Mail Express: Commercial: $0. 25 increase for Zones 1-4, 0-10 lbs. Flat Rate Medium Box 1. Effective May 4, 2020, the Postal Service™ will revise Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM ® ), in various sections, to clarify. For USPS international flat rates, the maximum weight for Priority Mail International Flat Rate Envelopes and Small Flat Rate Priced Boxes is 4 lbs. The United States Postal Service (USPS) offers a range of shipping boxes to match its shipping services, including: USPS Flat Rate boxes; Small USPS Flat Rate boxes start at $8. Flat-Rate Package Options. USPS to raise shipping costs by 3 percent on Jan. Cut your USPS shipping rates As an Easyship customer, you have automatic access to discounted shipping rates for USPS up to 89% off the retail price as well as up to 15% off CPP pricing. How Much Does Priority Mail® Cost?. 35 Large Flat-Rate Box $19. 75 increase for PM and PME Flat Rate Boxes and Envelopes. What Priority Mail® Flat Rate Boxes Are Available? - USPS. Priority Mail Flat Rate ® lets you ship packages up to 70 lbs to any state at the same price. Shipping Services price adjustments vary by product. You also get access to cubic rate pricing on eligible Priority Mail shipments and of course flat rate boxes. The USPS does not add fuel, residential, or Saturday delivery surcharges to any shipment — significant in an era of high fuel costs. Small USPS Flat Rate boxes start at $8. USPS Priority Mail® Flat Rate Small Box. packages, choose Flat Rate for long distances and your own box for short distances. USPS Priority Mail Flat Rate boxes and envelopes are very popular shipping services for many online sellers thanks to their simplicity, availability of free packaging, and competitive rates, regardless of package weight or destination. Priority Mail Flat Rate ® lets you ship packages up to 70 lbs to any state at the same price. The pick up was o David Chasan, 3 days ago. Priority Mail Flat Rate is a 1 to 3 day shipping service provided by the U. What Priority Mail® Flat Rate Boxes Are Available? - USPS. A new version of the "big blue postal box" is designed to. 6 percent, and First-Class Package Service prices would increase by 7. Mail Flat Rate® Small Box. The USPS Postal Store still has Regional Rate Boxes available as of this writing, but once they run out, they will be out. Using a USPS Flat Rate Box or Envelope can cut your shipping costs by 50%. 6 percent, below the rate of inflation Priority Mail Express service prices would increase by 6. 00 increase for Zones 1-4, 26-70 lbs. 45 (unless you have a commercial account) and are ideal for shipping a smartphone-sized item. 50, and large boxes will drop to $21. What Priority Mail® Flat Rate Boxes Are Available? - USPS. Padded Flat Rate Envelope. The Governors believe these new rates will keep the Postal Service competitive Small Flat-Rate Box $7. com Postal Store Go to USPS. Shipping with Priority Mail Flat Rate boxes or envelopes using Stamps. Shipping with Priority Mail Flat Rate boxes or envelopes using Stamps. Priority Mail Flat Rate® Medium Box - 2 Single, Pack of 10 or 25 14-1/8" (L) x 12" (W) x 3-1/2" (H) $0. Ship Now Priority Mail International Prices. Shipping with USPS from United States. 00 Priority Mail Flat Rate® Boxes Variety Pack 4 Boxes. On the top end, large USPS Flat Rates boxes start at $21. Please select from the following options. Postal Service Announces New Competitive Prices for 2023. Priority Mail Flat Rate ® lets you ship packages up to 70 lbs to any state at the same price. Small USPS Flat Rate boxes start at $8. Biggest USPS Discounts Access exclusive rates up to 89% below retail prices that you would pay at the Post Office. When to Use USPS Flat Rate Boxes For 1 – 20 lb. What Priority Mail® Flat Rate Boxes Are Available?. 75 Legal Flat-Rate Envelope $7. USPS Boxes Free? How to Save Money Shipping with the ">Are USPS Boxes Free? How to Save Money Shipping with the. Using a USPS Flat Rate Box or Envelope can cut your shipping costs by 50%. USPS 2023 Shipping Rate Changes: Flat Rate, Priority, First. 05 Padded Flat-Rate Envelope $8 $8. Order free Flat Rate boxes from the USPS. 14-7/8"(L) x 5-1/4"(W) x 7-3/8"(H) $0. com customers save up to 10% off the Post Office rate each time they print a shipping label for a Priority Mail Flat Rate envelope or box. So, that’s why we have a range of packaging that you can use to pack and send at a flat rate. 80 increase for Zones 5-9, 11-25 lbs. The dimensions for USPS Flat Rate Small Boxes are: Outside: 8 11/16″ x 5 7/16″ x 1 3/4″. 75 increase for Zones 1-4, 11-25 lbs. Flat rate service is attractive to many shippers since it essentially eliminates the need to weigh your packages in order to calculate shipping costs. This is a great way to prepare for peak shipping. 00 Priority Mail® Box - 1092 Pack of 10 or 25 13-11/16" (L) x 12" (W) x 2-7/8" (H) $0. There are three main Flat Rate Box sizes, including: Flat Rate Small Box. If you’re sending 5kg or under in Australia using If It Packs, It Posts flat rate packaging, it’s eligible for flat rate postage. 50, and large flat rate boxes are going to run about $21. What it means: Shippers that use USPS Priority Mail Regional Boxes will only have about a month left to use up their supply if they want to use them for the special flat rate. 60 Regular Flat-Rate Envelope $7. Effective May 4, 2020, the Postal Service™ will revise Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM ® ), in various sections, to clarify standards related to the use of USPS-produced Flat Rate containers and to ensure that the clarified standards are consistent throughout the DMM. Understanding USPS Flat Rate Shipping: Costs & Speeds. USPS provides these flat rate boxes and envelopes for free at most Post Offices or will ship them to you at the USPS Storeopen_in_new. Our partnership with USPS means you get our pre-negotiated discounted rates on every order you place with Easyship. It's also worth noting that some countries may have lower weight restrictions. USPS Priority Mail Regional Boxes And Rates Will Be. packages, use your own box and ship via USPS First-Class. If you're sending 5kg or under in Australia using If It Packs, It Posts flat rate packaging, it's eligible for flat rate postage. 40 The Postal Service has some of the lowest letter mail postage rates in the industrialized world. 2023 Postage Price Changes. Overall, Priority Mail service prices would increase approximately 5. How Much Does Priority Mail® Cost? - USPS. Ship Now Priority Mail Express ® Next Day Features & Pricing Fast delivery time: 1-3 Business Days 1. com customers save up to 10% off the Post Office rate each time they print a shipping label for a Priority Mail Flat Rate envelope or box. Flat-Rate Package Options If It Fits, It Ships ®. Priority Mail Flat Rate® Small Box Single, Pack of 10 or 25 Size: 8-11/16" (L) x 5-7/16" (W) x 1-3/4" (H) SKU: Issue Date: 9/1/2018 The Priority Mail Flat Rate® Small Box is about the same size and shape as three. The service allows a maximum weight of 70 lbs. Biggest USPS Discounts Access exclusive rates up to 89% below retail prices that you would pay at the Post Office. Priority Mail Flat Rate® Small Box Single, Pack of 10 or 25 8-11/16" (L) x 5-7/16" (W) x 1-3/4" (H) $0. For USPS international flat rates, the maximum weight for Priority Mail International Flat Rate Envelopes and Small Flat Rate Priced Boxes is 4 lbs. Mail from Post Office ™ locations or from your home or business with Click-N-Ship ® service.