Square Mailer Box Samples
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Quantity
Browse our square mailer sizes to find the right fit.
- 3 sizes available
- 1/8" B-flute corrugated cardboard
- Pre-printed with a sample design
- FSC® certified product: Made from responsibly forested materials
- FREE standard shipping with code SAMPLEBOX
Packaging Samples: Visit our samples page to see all available options.
Try before you buy
Need square mailer boxes, but not sure which sizes will work for you? Order a sample in your choice of sizes for only $4 – and get free standard shipping when you use code SAMPLEBOX at checkout. Once you receive your box pre-printed with a sample design, you'll know whether it's the right size for you. See how easy it is to assemble them. Get a feel for the box's quality and sturdiness. You will then be able to order your mailer boxes in bulk with complete confidence.
Full surface printing
Our square mailers aren’t your typical plain cardboard box. You’re able to print on the full surface, which means that your brand – and your logo – will be seen from all angles. It’s a great way for your custom package to get noticed in the mail.
Durable cardboard
Printed in full color in your choice of 3 sizes, our square mailer boxes are made of B-flute cardboard. Sturdy and easy to assemble, they are a great packaging choice for mailing apparel, books, stationery, beauty products and more.