Boxes that fit an AusPost medium prepaid satchel
Ship in an Australia Post medium prepaid satchel (390 x 270mm) with the protection of a box. The boxes below are sized to slide inside an AusPost medium satchel, so you pay flat medium satchel postage while your products travel in a rigid mailer. The A5 220 x 160 x 77mm box is the classic medium satchel box, available in 13 colours and in diecut, premium tuck front and self-sealing styles.
The flat medium satchel and boxes that fit it, drawn to the same scale (box length x width). Click a box to shop.
Medium satchel box sizes
| Box size (mm) | Uses (L+H / W+H) | Shop |
|---|---|---|
| 120 x 120 x 120 | 240 / 240 | White regular B135 |
| 150 x 100 x 75 | 225 / 175 | Lavender B404 · size guide |
| 152 x 127 x 95 | 247 / 222 | White B129 |
| 140 x 140 x 90 | 230 / 230 | White B235 |
| 174 x 128 x 53 | 227 / 181 | Lavender B405 · size guide |
| 150 x 150 x 75 | 225 / 225 | Brown B299 · White regular B15 |
| 150 x 150 x 100 | 250 / 250 | White B535 |
| 176 x 135 x 95 | 271 / 230 | White B117 · Brown B302 · Brown tuck B202 |
| 205 x 125 x 125 | 330 / 250 | White regular B160 |
| 180 x 150 x 80 | 260 / 230 | White B247 |
| 220 x 130 x 95 | 315 / 225 | White B95 |
| 230 x 150 x 80 | 310 / 230 | White B201 |
| 220 x 160 x 70 | 290 / 230 | Brown height-adjustable B395 |
| 220 x 160 x 77 (A5) | 297 / 237 | White B38 · White full colour B287 · White eco B64 · Brown B65 · Black B55 · Black full colour B236 · all options |
| 220 x 160 x 90 | 310 / 250 | White B90 |
| 220 x 160 x 100 (A5) | 320 / 260 | Lavender B406 · size guide |
| 240 x 150 x 60 | 300 / 210 | Mint Blue tuck B355 · size guide |
| 240 x 150 x 80 | 320 / 230 | White B45 |
| 250 x 150 x 90 | 340 / 240 | White B12 · Brown B301 · Brown regular B969 |
| 265 x 150 x 100 | 365 / 250 | White B97 |
| 241 x 171 x 82 | 323 / 253 | White B214 |
| 250 x 170 x 52 | 302 / 222 | Black B386 · Brown tuck B124 |
| 250 x 180 x 55 | 305 / 235 | Brown tuck B123 |
| 250 x 180 x 75 | 325 / 255 | White B5 |
| 270 x 200 x 35 | 305 / 235 | White B445 · Rose Pink tuck B446 |
| 270 x 200 x 55 | 325 / 255 | White B108 · Brown B375 · Black B377 · Rose Pink B376 · Mint Blue B378 · size guide |
“Uses” shows how much of the 390 x 270mm satchel each box takes up once its depth is counted: both numbers must be under the satchel size. Box sizes are internal dimensions; boxes close to the limit leave less room to seal the satchel.
Bulk boxes for medium satchels
| Size (mm) | Box | Qty |
|---|---|---|
| 150 x 150 x 75 | Brown B299 | 1,000 |
| 220 x 160 x 77 | Brown B65 | 1,000 |
| 220 x 160 x 77 | White B38 | 2,000 |
| 220 x 160 x 77 | Brown B65 | 2,000 |
Medium satchel box FAQs ▾
Medium satchel box FAQs
What size is an AusPost medium prepaid satchel?
The medium Parcel Post prepaid satchel is 390 x 270mm and carries up to 5kg within Australia.
Does an A5 box fit a medium satchel?
Yes. The A5 220 x 160 x 77mm box uses 297 x 237mm of the 390 x 270mm satchel, leaving room to seal it.
What is the biggest box that fits a medium satchel?
Slim boxes such as 270 x 200 x 55mm, or deeper ones such as 250 x 150 x 90mm. Use the length + height and width + height rule to check others.
Does an A4 box fit a medium satchel?
No. 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.












































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