Mailing boxes that fit AusPost prepaid satchels
Put a box inside an Australia Post prepaid satchel and you get flat-rate satchel postage with the protection of a rigid box. These AusPost boxes are sized to slide into a small, medium, large or extra large prepaid satchel and still seal. Pick your satchel below to see every box that fits it, in white, brown, black and colour, in diecut, tuck front, self-sealing and regular styles.
AusPost prepaid satchels drawn to scale, each with a box that fits. Click a satchel to see every box that fits it.
Which satchel does my box size need?
| Satchel | Satchel size | Box sizes that fit (smallest satchel) |
|---|---|---|
| Small satchel | 355 x 225mm | 125 x 100 x 75, 150 x 100 x 75, 174 x 128 x 53, 210 x 140 x 60, 240 x 125 x 75, 220 x 145 x 35 (A6), 240 x 150 x 60 |
| Medium satchel | 390 x 270mm | 220 x 160 x 77 (A5), 270 x 200 x 55 |
| Large satchel | 405 x 310mm | 220 x 160 x 100 (A5), 270 x 160 x 120, 250 x 190 x 90, 270 x 200 x 95, 310 x 250 x 50 (A4) |
| XL satchel | 510 x 435mm | 230 x 180 x 130, 310 x 230 x 105 (A4), 310 x 250 x 150 (A4) |
Each box size is listed under the smallest satchel it fits. Box sizes are internal dimensions. Click a size to compare styles and colours.
AusPost satchel box FAQs ▾
AusPost satchel box FAQs
What are the AusPost prepaid satchel sizes?
Small 355 x 225mm, medium 390 x 270mm, large 405 x 310mm and extra large 510 x 435mm, each up to 5kg within Australia.
Why put a box inside a satchel?
The satchel gives you flat-rate postage and the box protects fragile items from crushing. It also gives customers a neat unboxing.
Which box fits a medium satchel?
The A5 220 x 160 x 77mm box is the classic fit. See the medium satchel boxes for every option.
Which satchel fits an A4 box?
The A4 310 x 230 x 105mm box needs an XL satchel. The slim 310 x 250 x 50mm A4 box fits a large satchel.
Do you sell AusPost satchels?
No, prepaid satchels are sold by Australia Post. We sell the boxes sized to fit them.
New Arrival
