Courier Bags

Specialising in the supply of polythene mailing bags and envelopes. Designed for postal or courier transport our mailing bags are lightweight, cost effective, waterproof and have a secure integral adhesive strip. The demand for durable, tamper proof and reliable mailing Colour-range-websolutions has dramatically increased due to the change in buying habits and online sales.

The team at Trademark Polythene have over 20 years experience manufacturing a wide range of polythene mailing bags. You can choose from a range of grey and coloured stock lines, or why not let us design a tailor made bag to suit your exact requirements.

All of our mailing bags are 100% opaque and can be supplied in virgin, recycled or degradable materials.

If you want to make an impact when you dispatch your products then this is the ideal solution. Contact us today to discuss colour options, sizing and your requirements.

Grey Range

Our stock range below are made from 55 micon, 100% opaque material with a 40mm lip and strong adhesive glue line.

  • 170 x 230
  • 230 x 310
  • 250 x 350
  • 305 x 405
  • 320 x 440
  • 350 x 500
  • 425 x 600
  • 550 x 750
  • 600 x 900
  • 850 x 1050

Added Features

  • Single or double glue lines
  • Sequential numbering
  • Euro slots
  • Punched handles
  • Up to 8 colour printing

Coloured Range

The below sizes are available from stock in the following colours:


  • 161 x 240
  • 250 x 350
  • 305 x 405
  • 350 x 500
  • 425 x 600

All supplied in a co-extruded 50 micron material with a 40mm lip and strong adhesive glue line. These are all produced from a black inner and coloured outer making them 100% opaque.

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Call our Northamptonshire office on 01933 460 505

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