
Economy range for simple but effective protection these are plain or coloured mailers with also the Mailite range with a pre-printed address window. The economic way to send literature to your customers and much lighter than paper envelopes.

A range of good value strong bags ideal for 'mail order' sales. Ideal for garments and a myriad of online or catalogue products. The bags are an attractive opaque metallic blue and are strong without being too thick and so expensive. A best seller line for ebay and paypal customers selling their products on-line.

Thicker opaque mailers in a strong co-extruded material where you need to be sure that the mailer can withstand some rough handling in transit.
You might want to visit mailingbags.co.uk as well to know more about the options available for mailing bags.
Top search results for courier bags. Found 1 UK supplier:
"Polybags - manufacturers of polythene bags and plastic bags"
Buy online. FREE delivery for UK. We stock bubble bags, film, sacks, sheeting, LFT - all sizes & styles of packaging. Clear, coloured, printed and made ...
courier bags at Polybags.co.uk
For more detailed information on mailing bags or courier sacks please visit courier sacks at www.packagingknowledge.com
Courier sacks and postal bags are designed to protect your products and delivery of those products anywhere in the world.
Courier sacks can be made out of bubble, foam, plastic, Tyvek, manilla, corrugated reinforced, and come in a variety of sizes and styles.
Options for Courier bags
Available Thickness:
80 Gauge(20microns) to 1000 Gauge(250microns)
Materials used for Courie bags:
Tolerances:
Normally, Plastic courier bags in UK should follow widely accepted industrial standards according to British Standard - see BS7344, 1990