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Envelopes
Envelopes are DL to B4 in size.
Keep in mind the size and weight of your envelope affects how much it costs to send.
Satchels, bags and mailers
Generally, sizes like ‘0’ are extra small. The higher the number, the larger the packaging.
We’ve grouped all satchels, bags and mailers into easy-to understand sizes.
You might have noticed different product codes and names – we’ve listed them below – plus suggestions on what might fit in each size, tips on how to measure and postage.
Dimensions
W: 160 – 229mm
L: 100 – 170mm
What can they fit?
USB drive, pair of socks, watch (loose), makeup palette
Product name codes
PM0, PM1, Size 000, Size 00, Size 1
Dimensions
W: 260 – 370mm
L: 190 – 261mm
What can they fit?
DVD in case, shirt (folded), book, pet toys
Product name codes
Small, ‘Enviro’ Size 1, PM2, Size 2, Size 4, TB1, TB2
Dimensions
W: 375 – 390mm
L: 260 – 385mm
What can they fit?
Jacket or jumper (folded), container of supplements, plush toy
Product name codes
Medium, ‘Enviro’ Size 3, Size 5
Dimensions
W: 390 – 483mm
L: 285 – 405mm
What can they fit?
Cushion, sheet set (folded)
Product name codes
Large, ’Enviro’ Size 4, Size 6, Size 7
Dimensions
W: 505 – 700mm
L: 400 – 600mm
What can they fit?
Backpack (flat), blanket or doona (folded), duffle bag
Product name codes
Extra Large, ’Enviro’ Size 5, ’Enviro’ Size 6, Size 12
Measure your item’s maximum points and compare it with the packaging dimensions. Satchels, bags and mailers expand when filled.
Laying your item on a flat satchel is a good guide, but head in store if you’re unsure.
Size and weight become important when you use packaging to post with us.
Read our guide on how to correctly calculate your postage, or try our postage calculator. Plus, our packaging tips has info on how to get your items to their destination safely.
Boxes
We have a range of box shapes – some small and cube-shaped, others large and thin. The number after ‘BX’ doesn’t always tell you how big a box is, and height varies, even for large boxes.
We’ve grouped all boxes into easy-to-understand sizes.
You might have noticed different product codes and names – we’ve listed them below – plus suggestions on what might fit in each size, tips on how to measure and postage.
Dimensions
L: 140 – 220mm
W: 150 – 160mm
H: 10 – 180mm
What can they fit?
Mug, candle, small book, mobile phone (in box), CD
Product name codes
Small, BX1, BX7, BX18, BX22
Dimensions
L: 240 – 310mm
W: 190 – 225mm
H: 102 – 120mm
What can they fit?
Large book or 2-3 books, tablet computer (in box)
Product name codes
Medium, BX2
Dimensions
L: 390 – 410mm
W: 280 – 300mm
H: 80 – 255mm
What can they fit?
Laptop (in box), pair of shoes (in box)
Product name codes
Large, BX3, BX4, BX5, BX24
Dimensions
L: 430 – 500mm
W: 277 – 440mm
H: 140 – 350mm
What can they fit?
Piles of documents/folders/files, small (carry-on) suitcase
Product name codes
Extra Large, BX20, BX23
Measure your item’s maximum points and compare it with the packaging dimensions.
Boxes are listed with internal or external dimensions, which can vary slightly. Visit the product page for exact dimensions.
Size and weight become important when you use packaging to post with us.
Read our guide on how to correctly calculate your postage, or try our postage calculator. Plus, our packaging tips has info on how to get your items to their destination safely.
Mailing tubes
Mailing tubes measure diameter by height, and tri-tubes measure length and width of the triangle base, by its height.
Keep in mind the size and weight of your tube can affects how much it costs to send.