Custom mailer boxes are one piece corrugated boxes with self locking flaps that fold together without tape, built for ecommerce shipping and a memorable branded unboxing. The Best Price Boxes makes them to your exact size, in kraft, white, or full color, with no minimum order, free design, free samples, and free shipping. This guide covers styles, sizes, materials, and cost, then gives you a fast way to price your exact mailer.
Custom mailer box styles
- Roll end tuck top mailer. The classic ecommerce mailer, with strong side walls, a secure tuck front, and a large printable interior for unboxing.
- Roll end front lock mailer. Adds a front locking tab for extra security on heavier products.
- Mailer with lid. A separate lid for a premium reveal, closer to a rigid feel.
- Mailer with insert. A snug foam or cardboard insert holds fragile or multi piece products in place.
Common mailer box sizes
Any custom size is free, so the mailer fits the product and ships in a smaller, cheaper dimensional size. These presets are a starting point.
| Size range | Good for |
|---|---|
| 3x3x1 to 6x4x2 inches | Small items, jewelry, cosmetics, accessories |
| 7x5x2 to 10x8x3 inches | Apparel, subscription boxes, multi item orders |
| 11x9x3 to 14x10x4 inches | Larger apparel and bundled ecommerce orders |
| Custom | Any exact size, free, built to your product |
Materials and finishes
Choose natural kraft for an eco, artisan look, bright white for vivid printing, or full color inside and out for a strong unboxing. Add matte or gloss lamination, soft touch, foil, or spot UV to match your brand. Our free design team prepares a print ready file and a free 3D mockup so you see the mailer before you approve it.
Mailer box or shipping box?
| Factor | Mailer box | Shipping box |
|---|---|---|
| Structure | One piece, self locking flaps, no tape | Flaps meet and are taped |
| Best for | Ecommerce, lighter to medium, branded unboxing | Heavier, bulk, stacking, long transit |
| Branding | Strong printed unboxing moment | Functional, full color printable |
| Assembly | Folds together in seconds | Tape required |
Shipping heavier or bulk items? See our custom shipping boxes.
What affects the cost of custom mailer boxes
Mailer box price depends on the size, the board and material, the printing and finishes, and the quantity, and unit price falls as volume rises. We quote your real specification with no hidden charges. For a fast relative estimate use our free cost estimator, then request a free quote for the exact number. New customers get 25 percent off the first order and we price match comparable custom orders.
Custom mailer boxes FAQ
Is there a minimum order for custom mailer boxes?
No. There is no minimum order, so you can order the exact quantity you need and scale up as demand grows. Unit price falls as the quantity rises.
What sizes do custom mailer boxes come in?
Any size. Common presets range from about 3x3x1 up to 14x10x4 inches, and any custom size is free so the mailer fits your product and lowers dimensional shipping cost.
Can mailer boxes ship without an outer box?
Yes. Corrugated mailer boxes are built to ship on their own through the mail. For heavier or fragile items we recommend the right board strength and inserts.
Do you print full color inside and out?
Yes. Mailers print in full color inside and out for a strong branded unboxing, with finishes like matte, gloss, soft touch, foil, and spot UV.
Can I get free samples and a proof first?
Yes. Free samples and a free 3D mockup let you feel the board and see your artwork on the real mailer before you approve production.
How long does production take?
Typically about 10 to 14 business days after artwork approval. Tell us your deadline and we will confirm the timeline and any rush options.
Do you help with design and the dieline?
Yes. Design is free. Our team creates the correct dieline and a print ready file so your artwork lines up with the finished mailer.
How do I get an exact price?
Send us the size, material, printing, and quantity for a free quote, or use our free cost estimator for a quick relative guide. We also price match comparable custom orders.
Related packaging
Explore bubble mailers, record and album mailers, custom shipping boxes, and our guide to choosing the right packaging.
Get your custom mailer boxes
Tell us your product and idea and our US team will recommend the right mailer and price it on your exact specification. No minimum order, free design, free samples, and 25 percent off your first order. Request your free quote.
Related guides and where to order
- custom mailer boxes (order with no minimum, free design and samples)
- Kraft vs Corrugated Mailer Boxes: Which to Choose
- How Much Do Custom Mailer Boxes Cost?
- Mailer Box Sizes: How to Choose the Right Size
- Ready to order? Get a free quote or estimate your cost.



