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6 Reasons to update your packaging

expandable paperboard mailers
No Hassle

Throw away your tape and void fill.

Save Hundreds on Shipping

Beat UPS, USPS & FedEx rates with smaller dimensions and lighter packaging.

Stores Perfectly Flat

Save up to 75% on storage space, but expand up to 2" to ship your eCommerce product.

Pack Fast & Lower Fulfillment Cost

No assembly required. Self seal closure saves you minutes per box. See for yourself.

Keep Customers Happy

Returns happen. Our mailers can be taped closed for hassle-free returns.


100% recycled content / 100% recyclable


Ship More for Less

Heavy duty mailers that self seal, ship for less than a box and store flatter than a bubble mailer!

Bestmailer vs Average box

Mailer: 2 minutes

  • No assembly
  • No tape
  • No hassle
  • No void fill

Hello extra time!

Our Best Mailers self-seal.

Mailers for Every Shipment

With expandable mailers: ship your Etsy, eBay & Amazon store orders with ease.

stayflat paperboard packaging


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