How do I customize a stock mailer box?

You can customize your unprinted boxes with branded labels, stickers or custom packaging tape ([self-adhesive](https://www.vistaprint.ca/packaging/shipping-supplies/poly-tape) or [water-activated](https://www.vistaprint.ca/packaging/shipping-supplies/packaging-tape)) to make your package personalized and stand out from others.

Plain Mailer Boxes

Q: Can I order samples to try out different mailer box sizes?

Yes. You can order [sample mailer boxes](https://www.vistaprint.ca/packaging/packaging-samples) 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 in bulk.

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Need a box that can do it all? Our plain mailer boxes are your go-to. Strong, versatile and won't break the bank.
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Quantity

Ship your products confidently with stock mailer boxes.

12 size options
1/16" white E-flute cardboard
Easy to assemble
Plain, unprinted boxes
Quantities from 12 to 600

Budget-friendly & ready to go

Our plain mailer boxes are made from sturdy E-flute cardboard, providing durable and reliable packaging for a variety of uses. Whether you’re in apparel, beauty, e-commerce or subscription box-based businesses, these non-printed boxes are ideal for you. Easily customize with labels, stickers or custom print tape to add a personal touch, without the need for a full design.

Effortless assembly & versatility

These stock mailer boxes are designed for easy assembly, making them a practical choice for any business. Their lightweight yet strong construction ensures your products are well-protected during shipping. Suitable for a wide range of industries, our plain mailer boxes meet diverse packaging needs with efficiency.

Ordering made easy

Ordering your plain mailer boxes is a straightforward process. Choose the size and quantity that best fits your needs, and we’ll take care of the rest. You can order exactly what you need, whether it’s a few boxes or a bulk order. We'll make sure they reach you safe and sound, so you can do the same for your customers and their orders.

FAQs

Reviews

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Write a Review

Reviewed by 2 customers

It's plain and it's a box

Jun 26, 2025 | NEST F. |

Verified Buyer

It is was it is supposed to be. Mat finish, white inside and outside. Come unfold, easy to fold up.

great little boxes

Feb 13, 2025 | Andrea K. |

Verified Buyer

exactly what I wanted

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 (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.

E-flute is very thin (1/16") corrugated cardboard. It’s very easy to fold and is excellent for printing. Sturdy and crush-resistant, it’s a good option for shipments but we do not recommend these mailers for very large or heavy 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 in bulk.