Heavy Duty Mailing Sacks

By Royal Appointment to HM The Queen.
BSI Certified FM31516

Made from Polymax, a revolutionary new ultra-strong, ultra-tear-resistant polymer, these large 400 gauge sacks are probably the strongest waste sacks online - and they're totally exclusive to Polybags!

Ultra-strong Black Polymax Bags
Incredibly strong,
tear-resistant sacks.
more...

Our Budget Grip Seal Bags are a cheaper thinner range of the handy resealable bags (with the option of write-on-panels to easy label and catalogue their contents)

Budget Grip Seal Bags
Ideal for sorting
and storing things!
In Grip Seal Bags...

Heavy Duty Mailing Sacks

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.

There are 4 categories within this group:

best value despatch mailsacks

7 Products. High gloss co-extruded mailing sacks in a white outer and black inner polythene material. A durable yet economical mailsack solution. You can add the posting address with a label or simply use a pen.

Mailtuf strong despatch mailing sacks

7 Products. Thick and tough co-extruded mailing sacks in an ivory outer and light grey inner polythene giving a crisp paper feel. All Mailtuf bags have a side shirt weld for extra polysack strength and secuity.

large heavy duty courier sacks

5 Products. Massively popular range of large and very large courier sacks with double seals for despatching large items - ask for a sample to see the tough quality !