Postal Tube eND CAPS

postal tube plugs scattered around on a cardboard background

Plastic Tube End Caps for postal tubes

Postal tube end caps are durable plastic plugs designed to securely fit the ends of your postal tubes or round tubing..

These plastic tube end caps effectively seal both ends of the tubes, which prevent the contents from slipping out and protecting them from moisture, dust and impact damage during transit or storage.

Whether you’re shipping artwork, posters, blueprints or important documents, postal tube caps are the perfect solution to prevent contents from slipping out and protect them from damage. 

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Why should you invest in Postal Tube End Caps?

Plastic tube end caps offer several key advantages that make them a great investment for anyone regularly ships rolled items: 

Secure closure: Keep your items safe from moisture, dirt and other external elements.

Shock protection: End caps provide an extra layer of defence during shipping by absorbing shocks.

Easy to use: Postal tube caps are designed for hassle free application, simply place the plastic cap at the end of the your postal tube.

Reusable: As long as you keep your end caps in good condition, you can remove them from the mailing tube and reuse them.

Versatile options: Our end cap plastic plugs are available in a choice of six internal diameters ranging from 38.1mm and 152.44mm.

Stacks of postal tubes with end caps at the end

Plastic end caps for round tubing

While all of our postal tubes come with plastic end caps, we also sell them separately in case you need replacements or additional stock. 

Our plastic tube end caps for round tubing are precision-made to fit snugly onto standard cylindrical postal tubes, creating a secure, professional seal that protects your contents during storage and shipping.

For applications that require added stability, we also offer square anti-roll tube end caps, specially designed to prevent rolling and keep packages steady during transit. These are ideal for bulk shipments, artwork, and fragile documents where extra stability matters.

Tube End Caps products

White Plastic Plug End

Postal Tube End Caps and Plugs

PLASTIC PLUGS AND CAPS

Price range: £7.38 through £38.10
Anti Roll Postal Tube

Anti Roll Tubes

ANTI-ROLL A1 POSTAL TUBES

Price range: £31.12 through £171.29
Anti Roll Postal Tube

Anti Roll Tubes

ANTI-ROLL A2 POSTAL TUBES

Price range: £28.42 through £268.48
Anti Roll Postal Tube

Anti Roll Tubes

ANTI-ROLL A3 POSTAL TUBES

Price range: £26.62 through £225.29
Anti Roll Postal Tube

Anti Roll Tubes

ANTI-ROLL B1 POSTAL TUBES

Price range: £33.52 through £195.29

Frequently Asked Questions

Postal tube end caps are durable plastic plugs that slot securely into the ends of postal tubes. They create a tight seal, keeping your contents secure and protected during storage and delivery. 

End caps are designed to close off the ends of cardboard postal tubes, preventing items from slipping out or being damaged. They’re commonly used for:

  • Posters and prints 
  • Artwork
  • Plans and blueprints 
  • Rolled documents 

Yes, our plastic end caps can be reused several times. Over time, regular use may cause some wear and tear, so it’s always a good idea to keep a few spare caps on hand. 

We stock end caps in six sizes, designed to fit internal tube diameters from 38.1mm up to 152.4mm. If you need a specific size outside this range, just get in touch and we’ll do our best to help. 

Follow these simple steps to make sure you pick the right size: 

  1. Measure the inside diameter of your postal tube using a ruler or tape measure
  2. Match the measurement to the available cap sizes
  3. Choose the closet fit, the cap should slide in firmly, without being too loose or difficult to insert.