Kraft mailer boxes: brown diecut & tuck front
Kraft mailer boxes fold together without tape and open neatly for your customer. This page compares every brown mailer by size: diecut mailing boxes (23 sizes) with self-locking sides, tuck front mailers (20 sizes) with a gift-style front flap, self-sealing mailers (7 sizes) with a peel-and-seal strip, and slim superflat mailers. The size table shows which styles each size comes in and the smallest AusPost satchel it fits.
Brown mailer boxes drawn to scale (length x width). Click a box to shop.
Brown mailer box sizes by style
| Box size (mm) | Diecut | Tuck front | Self-seal | Superflat | Satchel |
|---|---|---|---|---|---|
| 100 x 100 x 100 | B80 | – | – | – | Small |
| 125 x 100 x 75 | B294 | – | – | – | Small |
| 148 x 90 x 70 | B30 | – | – | – | Small |
| 150 x 100 x 75 | B144 | – | – | – | Small |
| 150 x 100 x 100 | B300 | – | – | – | Small |
| 180 x 100 x 16 | – | – | – | B295 | Small |
| 174 x 128 x 53 | B67 | B399 | – | – | Small |
| 175 x 128 x 75 | B317 | – | – | – | Small |
| 150 x 150 x 75 | B299 | – | – | – | Medium |
| 176 x 135 x 95 | B302 | B202 | – | – | Medium |
| 222 x 110 x 89 | – | B415 | – | – | Small |
| 240 x 110 x 95 | – | B121 | – | – | Small |
| 210 x 140 x 60 | B298 | – | – | – | Small |
| 240 x 125 x 75 | B66 | – | B79 | – | Small |
| 220 x 145 x 35 (A6) | B69 | B392 | – | – | Small |
| 290 x 110 x 95 | – | B122 | – | – | Medium |
| 220 x 160 x 16 | – | – | – | B296 | Small |
| 220 x 160 x 77 (A5) | B65 | B393 | B140 | – | Medium |
| 220 x 160 x 100 (A5) | B136 | – | B403 | – | Large |
| 240 x 150 x 60 | B68 | B342 | B142 | – | Small |
| 250 x 150 x 52 | – | B120 | – | – | Small |
| 250 x 150 x 90 | B301 | – | – | – | Medium |
| 230 x 180 x 130 | B155 | – | – | – | XL |
| 259 x 161 x 63 | – | B414 | – | – | Small |
| 250 x 170 x 52 | – | B124 | – | – | Small |
| 270 x 160 x 120 | B293 | – | B78 | – | Large |
| 250 x 180 x 55 | – | B123 | – | – | Medium |
| 250 x 190 x 90 | B145 | – | – | – | Large |
| 270 x 200 x 55 | B375 | – | – | – | Medium |
| 270 x 200 x 95 | B292 · B339 | – | B220 | – | Large |
| 285 x 195 x 75 | – | B125 | – | – | Large |
| 295 x 200 x 120 | – | B418 | – | – | XL |
| 310 x 220 x 16 (A4) | – | – | – | B297 | Medium |
| 310 x 230 x 52 | – | B126 | – | – | Large |
| 310 x 230 x 105 (A4) | B137 | B394 | B141 | – | XL |
| 310 x 250 x 50 (A4) | B381 | – | – | – | Large |
| 355 x 280 x 100 | – | B420 | – | – | XL |
| 360 x 310 x 80 | – | B398 | – | – | XL |
| 430 x 310 x 140 | – | B391 | – | – | – |
| 455 x 320 x 155 | – | B417 | – | – | – |
Box codes link to each product. Sizes are internal dimensions. “Satchel” is the smallest AusPost prepaid satchel the box fits. For brown shipping cartons see brown shipping cartons.
Kraft mailer box FAQs ▾
Kraft mailer box FAQs
What is a kraft mailer box?
A brown corrugated box that folds together from one piece and closes without tape, used for eCommerce and gift orders.
What is the difference between diecut and tuck front?
Both fold without tape. A diecut mailer has self-locking side flaps; a tuck front box has a front flap that tucks inside for a gift-style opening.
Which brown mailer fits an AusPost satchel?
See the Satchel column in the size table, or shop by satchel: small, medium, large or XL.
Can I buy kraft mailer boxes in bulk?
Yes. Selected brown diecut sizes come in bulk lots of 1,000 to 5,000. See brown diecut boxes and wholesale boxes.
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