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Home & Office
Australia Post has all you need to bring your home and office to life. Whether it’s stocking up on stationery, printing or packaging supplies, a TV upgrade or some new audio visual equipment, we’ve got you covered. Plus, browse our range of seasonal homewares, accessories and magazine subscriptions to send as a gift for yourself or a loved one.
Size guide
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.
Extra small
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
Small
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
Medium
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
Large
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
Extra large
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
How to measure
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.
Postage
Size and weight become important when you use packaging to post with us.
- Sending 5kg or under in Australia using flat rate packaging? It’s eligible for flat rate postage.
- Sending 5kg or under in Australia using other packaging? Follow flat rate postage, based on weight.
- Sending over 5kg, or overseas? Postage costs will depend on the destination, delivery speed and chargeable weight of the package.
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.
Small
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
Medium
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
Large
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
Extra large
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
How to measure
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.
Postage
Size and weight become important when you use packaging to post with us.
- Sending 5kg or under in Australia using flat rate packaging? It’s eligible for flat rate postage.
- Sending 5kg or under in Australia using other packaging? Follow flat rate postage, based on weight.
- Sending over 5kg, or overseas? Postage costs will depend on the destination, delivery speed and chargeable weight of the package.
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.
