Slide best mailer Streamline your packaging. No assembly, no tape, no hassle. Shop Mailers Already a customer? Log in. best mailer best mailer corrugated-mailer Best mailer is here to help you cut through the clutter. Shop Mailers Already a customer? Log in.

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Satisfaction Guarantee

If we didn't do it right, we'll make it right. Period.

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Request a sample, or order a Trial Kit and we’ll send you a set of 10 mailers. What are you waiting for?

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.

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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.

Eco-Friendly

100% recycled content / 100% recyclable

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Ship More for Less

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

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Just note that we can only send large orders to Canada. To get accurate shipping rates, please fill out a custom request or eh-mail us at info@bestmailer.com