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Where To Get Shipping Boxes

You can get shipping boxes free from your carrier, buy them cheaply in bulk from suppliers like Uline, or pick them up from retailers like Amazon, Walmart, and Home Depot. The right source comes down to volume: free carrier boxes work for the occasional Priority shipment, bulk suppliers pay off once you ship every day.

Free boxes from carriers

USPS, UPS, FedEx and DHL all give away branded packaging. Each carrier ties it to a service, and UPS, FedEx and DHL tie it to an account as well, per the USPS Free Shipping Supplies catalog, the UPS supplies page, the FedEx supplies page and the DHL Prepare Your Shipment guide, each checked September 17, 2026.

USPS: free Priority Mail and Priority Mail Express supplies

USPS gives away boxes and envelopes for Priority Mail, Priority Mail Express and Flat Rate. The Free Shipping Supplies catalog on the Postal Store listed 47 items at $0.00 when checked on September 17, 2026, from the Flat Rate Envelope up to the Priority Mail Large Box, with boxes sold in packs of 10 or 25 and labels in rolls of 250 or 1,000. The same catalog gives away service forms and labels most sellers do not expect to find there, including Certified Mail labels, Collect on Delivery forms, Domestic Return Receipt forms and customs form pouches.

Who qualifies: the Free Shipping Supplies catalog sets no shipping-volume or account-history condition (checked September 17, 2026). You add items to a Postal Store cart like any other order.

How to order and how long it takes: place the order through the Postal Store (checked September 17, 2026). The USPS Priority Mail page states, in footnote 8: "Boxes and envelopes are delivered with your regular mail usually within 7 to 10 days" (checked September 17, 2026), so order before you run low. Once the boxes arrive, you can print postage through Click-N-Ship and schedule a USPS Package Pickup instead of driving them in.

Ground Advantage: no Ground Advantage item appears in the Free Shipping Supplies catalog (checked September 17, 2026). Of the 47 items listed on that date, none carries the Ground Advantage name; the branded boxes and envelopes are all Priority Mail, Priority Mail Express or Flat Rate. That is a reading of the free catalog, not a statement about every box USPS produces. If you ship Ground Advantage, plan on your own boxes or plain mailers.

The rule that makes a misused USPS box expensive

The usage rule is DMM 601.6.1, USPS-Produced Packaging (checked September 17, 2026): "All USPS-produced packaging (including Flat-Rate packaging) must be used only for the applicable product (e.g., Priority Mail Express, Priority Mail). The mailer of any matter mailed in USPS-produced packaging, regardless of how the packaging is reconfigured or how markings may be obliterated, must pay the appropriate product price."

In practice, if you send a Priority Mail box as Ground Advantage, you owe the Priority Mail price for that piece. Turning the box inside out, covering the logo or taping over the markings does not change what you owe, because the rule names reconfigured and obliterated packaging explicitly.

UPS: free supplies tied to your shipping activity

UPS gives away boxes, express envelopes, label pouches, forms and labels, but access now depends on how much you ship. The UPS Packaging and Shipping Supplies page carries a "Customer Supplies Policy Update 11.2025" (checked September 17, 2026) that reads: "New customers will receive an initial allocation of free supplies," "Ongoing eligibility for free supplies will depend on shipping activity and supplies usage," and "Supplies access may be limited if usage doesn't align with shipping activity."

The UPS supplies page names three access levels under that policy update (checked September 17, 2026): Full Access to every supply on UPS.com, Limited Access to UPS Express Supplies (general supplies, excluding those intended exclusively for UPS Express shipments), and No Access, with restricted customers directed to UPS Customer Service or their Account Executive.

Who qualifies and how to order: the UPS supplies page states that "a UPS.com username is required to place supply orders on UPS.com," that "item quantity per order may be limited," and that "supplies available for reorder are based on your recent shipping volume," and sets the delivery expectation at "Orders typically arrive within a few business days" (checked September 17, 2026).

FedEx: complimentary packaging for expedited services

The FedEx shipping supplies page states, under "Get free packaging with your FedEx account": "Using expedited FedEx services? Envelopes, paks, poly bags, boxes, and tubes are complimentary," and you log in with that account to order (checked September 17, 2026). The FedEx boxes page narrows the eligibility in a footnote: "Complimentary FedEx packaging is only available for shipments using FedEx expedited, FedEx Express Saver or FedEx International Economy services," and adds "We'll ship it to you for free when you order it online" (checked September 17, 2026). Neither the supplies page nor the boxes page states a delivery window (checked September 17, 2026), so order ahead. For picking among the free sizes, see which FedEx box is best for you.

What is not free at FedEx: the standard boxes sold at FedEx Office. The FedEx boxes page prices them from $2.00 for an 8" x 8" x 8" box to $15.25 for a 28" x 28" x 28" heavy-duty box, box only, before packing (checked September 17, 2026). They are plain boxes you can ship with any service, and they are easy to confuse with the complimentary branded boxes.

DHL: free supplies for account holders

DHL Express provides packaging to account holders at no charge, per its US Prepare Your Shipment guide (dated October 9, 2025, checked September 17, 2026), which states that DHL "provides them free of charge to ensure that our account holders have the protection their commodity deserves," that you "order supplies using your account number," and that "DHL will send a confirmation email to let you know when your local courier will deliver supplies to your preferred location." Orders go through the DHL US supply order site, and that guide gives no delivery window beyond the courier confirmation (both checked September 17, 2026), so order ahead as you would with FedEx. Without a DHL account, none of this applies to you.

Marketplace supplies are a separate program. If you sell on eBay, Store subscribers at Basic level and above get a quarterly eBay-branded supplies coupon that is unrelated to the carrier programs above.

Cheapest places to buy

  • Uline: the go-to for bulk. Huge catalog, low per-unit pricing, fast regional shipping. Best once you are ordering boxes by the hundred.
  • Amazon: convenient for small runs and odd sizes, with quick delivery on Prime.
  • Walmart and Home Depot: easy in-store pickup and moving boxes that double as shippers.
  • Local stores: many grocery and retail stores give away clean used boxes if you ask.

Pick the right box, not just the cheapest

A box that is too big costs you twice: more dunnage to fill the void, and higher dimensional weight that carriers bill you for. Match the box to the product, keep a small range of sizes, and you cut both material and postage.

When it makes sense to stop sourcing boxes yourself

Buying, storing, and stocking boxes is real overhead once volume climbs. With Simpl, packaging is included in the per-order price, starting at $7/order, so you stop ordering boxes and managing a supply closet. Accounts carry a $750/month minimum, billed pay-the-difference: if a month's order billing comes in under $750, you are charged only the gap. See pricing.