Our strong, extra large wide diamater cardboard postal tube extension kits are designed for you to achieve a range of set lengths in certain diameters above 4" or appx 100mm metric. However, couplers can be supplied for tubes below 4" diameter.

These wide diameter postal tube kits are ideal for large format prints.

To help customers find the cardboard tubes they require, we have listed our tube lengths in metres, centimetres & millimetres below.

Cardboard Postal Tubes 2 metres long, Cardboard Postal Tubes 200cm long, Cardboard Postal Tubes 2000mm long

Cardboard Postal Tubes 2.5 metres long, Cardboard Postal Tubes 250cm long, Cardboard Postal Tubes 2500mm long

Cardboard Postal Tubes 3 metres long, Cardboard Postal Tubes 300cm long, Cardboard Postal Tubes 3000mm long

Cardboard Postal Tubes 3.5 metres long, Cardboard Postal Tubes 350cm long, Cardboard Postal Tubes 3500mm long

Cardboard Postal Tubes 4 metres long, Cardboard Postal Tubes 400cm long, Cardboard Postal Tubes 4000mm long

Cardboard Postal Tubes 4.5 metres long, Cardboard Postal Tubes 450cm long, Cardboard Postal Tubes 4500mm long

Cardboard Postal Tubes 5 metres long, Cardboard Postal Tubes 500cm long, Cardboard Postal Tubes 5000mm long

Cardboard Postal Tubes 5.5 metres long, Cardboard Postal Tubes 550cm long, Cardboard Postal Tubes 5500mm long

Cardboard Postal Tubes 6 metres long, Cardboard Postal Tubes 600cm long, Cardboard Postal Tubes 6000mm long