PayPal Logo

Please Note: All postal tubes are supplied with endcaps
Click here to view all of our postal tubes

21mm Diameter Pricing In Proportion (PiP) Postal Tubes

These Cardboard Postal Tubes (PiP Tubes) are designed to qualify as Large Letters under Royal Mail's Pricing In Proportion (PiP) - size based pricing guidlines. You will therefore benefit from a huge saving on the postage you pay when shipping out items in these extra narrow diameter postal tubes --- as they will not need sending out as packets with the extra charge that applies.


These tubes are perfect for shipping a range of items including: Artist Brushes, Knitting Needles, Floats For Fishing, Short Slim Light Fluorescent Lighting Tubes & even some posters.

DEFENDA TUBES - Our spiral wound cardboard postal tubes can be produced in virtually any length and diameter required - Please Contact Us For Details.

Postal Tube Length:
Overall Length 350mm (appx 13.78")
Usable Length 318mm (appx 12.5")
Postal Tube Diameter:
Internal Diameter 21mm Diameter
Outside Diameter 24mm Diameter
Weight 25.6g Inc Caps

Showing 1 to 10 of 10 (1 Pages)

You May Also Like

Shipping Rates & Upgrades

 All of our prices are shown Inclusive of VAT and Free Shipping to MOST UK Mainland addresses, however, some Bulk Buy items, deliveries to offshore addresses & a very small number of Northern Scottish Postcodes will incur a shipping charge or surcharge, please see below, so no nasty surprises for you at the checkout!

Please note that we cannot deliver to PO boxes.

Please check here for Offshore and Scottish Highlands shipping upgrades

If you require a faster delivery, click here for timed shipping upgrades

If you are ordering outside of the UK, please click here to see our international rates


SPECIAL OFFER - £10.99 for Saturday Delivery