Plain Square Mailer Boxes
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Pack smarter with our budget-friendly plain square mailer boxes.
- 2 size options
- 1/8” white B-flute cardboard
- Easy to assemble
- Plain, unprinted boxes
- Quantities from 12 to 600
Sturdy and reliable packaging
Skip the design process and get straight to shipping with our budget-friendly square mailer boxes. Made from sturdy, white B-Flute corrugated cardboard, these boxes are great for protecting your products while keeping things simple. Want to add a personal touch? Customize them with your own labels, stickers or custom print tape.
Easy to assemble and versatile
These sturdy, ready-to-ship boxes come in a couple convenient sizes. They save you time and effort while providing great protection for your products. Whether you’re sending apparel, artwork, books, or anything in between, these versatile boxes can handle it all.
Simple ordering process
Ordering your plain square mailer boxes is straightforward. Select the size and quantity you need, and we’ll handle the rest. That way you can focus on what matters most: creating a memorable experience for your customers. Rest assured that these sturdy mailers will help you deliver a reliable and professional shipping experience.
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Frequently asked questions
At the moment the minimum order for our plain mailer boxes is 12.
You can customize your unprinted boxes with branded labels, stickers, or custom packaging tape that is self-adhesive or water-activated to make your package personalized and stand out from others.
See our overview section for a video that walks through assembling your box for the first time.
B-flute is a sturdy (1/8") corrugated cardboard making it excellent for protecting your goods. Sturdy and puncture-resistant, it’s a good option for shipments and you won’t need a secondary box when sending your items.
Yes. You can order sample mailer boxes in all our available sizes. We'll send a box pre-printed with a sample design for only $4 – and get free standard shipping when you use code SAMPLEBOX at checkout. This way, you can get a feel for the quality and try out different sizes before you order your one-of-a-kind design in bulk. Order your sample boxes now: Packaging Sample Kits & Prototypes | VistaPrint