Post Postpak packaging

Published on April 11th, 2017 | by Michelle Roper-Shaw

Pack It, Wrap It, Post It with Postpak

Designed with strength and endurance in mind, the Postpak range allows you to send items in the mail with confidence.

Postpak is a high quality range of packaging products developed exclusively by the Post Office. The range includes everything you need to send items in the mail:

Bubble Wrap

Bubble Envelopes


Gift Mailing Boxes

Mailing Boxes

Packing Paper

Packing Tape

Polythene Envelopes

Pack It

When sending your items in the mail, make sure you choose the right size PostPak mailing box or mailing tube for the contents. Check this guide to ensure you buy a package with the right dimensions.

PostPak Boxes/Tubes
External Dimensions
Posting Tube (Small)
W:335mm x D:55mm x H:55mm
Posting Tube (Large)
W:655mm x D:55mm x H:55mm
A (Small Box Cube)
W:160mm x D:160mm x H:160mm
B (Small Box 1)
W:318mm x D:224mm x H:80mm
C (Small Box 2)
W:450mm x D:350mm x H:80mm
D (Medium Box)
W:368mm x D:260mm x H:160mm
E (Airmail Box)
W:483mm x D:259mm x H:155mm
F (Large Box)
W:473mm x D:368mm x H:195mm

Some items do not need to be sent in a box or tube. Postpak Bubble Envelopes are a lightweight alternative that can reduce your mailing costs. Yet they offer protection against damage to your items once they are in transit.

Bubble Envelopes External Dimensions
Items Suitable to Send
Size 00 W:115 x D:195mm
Ideal for mobile phones
Size 0 W:140 x D:195mm
Ideal for one CD
Size 1 W:170 x D:245mm
Perfect for DVD cases
Size 3 W:220 x D:320mm
Ideal for A4 documents
Size 4 W:240 x D:320mm
Perfect for sending books
Size 5 W:260 x D:345mm
Ideal for catalogues
Size 7 W:340 x D:445mm
Ideal for A4 files

If you want your parcel to be sent via a signed for service, airmail or simply sent via 2nd Class, make sure the PostPak product you choose is suitable for the postal service you need. More information on postage and packaging including mailing costs for letters, large letters and parcels can be found at

Wrap It

PostPak Wrapping Kit

Always take time and effort to protect delicate items you send in the mail. Use cushioning material such as PostPak Bubble Wrap. This will ensure items are well protected and its lightweight nature will still ensure the weight of your parcel is kept low.

If you are sending more than one item in the same parcel, bubble wrap will also protect the items from each other and the sides of the container to avoid movement during transit.

Make sure all the edges and openings are sealed securely and use extra Clear Tape or Packing Tape as required. For an easy all in one solution why not buy the PostPak Wrapping Kit? It includes 3 sheets of brown 750 x 750mm wrapping paper, parcel tape, postage labels and a selection of stickers to identify your mail – Fragile, Airmail, Urgent and First Class.

Post It

red letterbox

PostPak make it easy for you to address your parcels. All packaging items in this range include pre labelled areas for you to write the recipient’s details.

Therefore, you do not need to spend money on additional labelling, just simply write the delivery name and address on the front of the box or envelope. Also, don’t forget you own sender’s details on the reverse. Then, just pop down to your local Post Office branch with your parcel.

Post Safely

Many everyday items, such as aerosols, nail varnish and perfumes are considered dangerous goods under transport legislation. To make sure the mail is safe for everyone, the Post Office restrict or prohibit certain items.

To make sure you are posting safely, please ask any member of staff at the Post Office. Failure to comply with these controls could result in prosecution.

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