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

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Switching to Best Mailer has been a game changer. No more assembling boxes. Our shipping efficiency has doubled and our brand looks terrific
Chad V.Founder, Craft and Lore
These Best Mailers have been fantastic to use! Having a mailer that represents the brand is important. The mailer is often the first thing our customers will see. Plus the quality is never a question. The way they are designed allows for our operation to run smoothly.
Christian H.Co-Founder, Drift
“They are easy to store in our warehouse, quick to pack and ship for our employees, lightweight to help with shipping costs, and extremely durable and strong in transit. We also love that they are eco-friendly.“
Melissa H.Founder, Honey Bee Stamps
Our Best Mailers have arrived! And they are simply gorgeous! My boss went nuts. Thank YOU!!!!
Belinda C.Director of Communications, Medill School of Journalism at Northwestern University
With a Best Mailer, you are intrigued to open it, you want to open it, to see what’s inside. Because it looks like quality on the outside, there’s going to be quality on the inside.
Hank B.President, Brandtjen and Kluge Inc.
We provide print and fulfillment services to many major online greeting card retailers, and we needed to ship their low revenue orders as cheaply as possible. For every order in which a Best Mailer replaces a box, we save about $0.19 in material cost. And our partners are happy too–they save up to $.44 on shipping on smaller orders and liked the mailer itself, a much more professional appearance.
Jane W.Print Engineer, Mimeo.com
Best Mailer’s work on our top-level marketing/sales projects have been well-received and more than satisfactory. Through their suggestions, we have saved money and used greener products all within tight timelines and restricted budgets.
Theresa L.Procurement Specialist, Siemens Hearing Instruments, Inc.
Their service was great! Not only did they work closely with us on the graphic branding for the envelopes, but the customer service and attention to our needs was fantastic. A great family-owned operation, and I look forward to continuing business with the fine folks at Best Mailer.
Chad V.Founder, Craft and Lore
I am extremely satisfied with your products and highly recommend them to any organization that wants to save money, and at the same time improve their professional appearance.
Jayson L.Facilities & Fulfillment Manager, Sentinel Benefits & Financial Group
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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.

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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.

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Mailers for Every Shipment

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

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44 South Bayles Ave., Ste. 205
Port Washington, NY 11050

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Copyright © 2020 Conformer Products, Inc.. All rights reserved. CONFORMER® is a registered trademark of Conformer Products, Inc.
U.S. Pat. Nos.: 8,162,204 : 8,215,537 : 8,684,259 : 8,215,619 : 8,215,345 : 9,352,879. Canadian Pat. Nos. 2,418,571: 2,554,473 : 2,641,639. Other Patents Pending.

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