GoSecure Envelope Extra Strong Polythene 240x320mm Opaque (Pack of 20) PB25461

Grey opaque extra strong polythene envelopes perfect for heavier items. Weatherproof and burst proof. Tear and puncture resistant. Secure peel ... Read more

GoSecure Envelope Extra Strong Polythene 440x320mm Opaque (Pack of 20) PB26462

Grey opaque extra strong polythene envelopes perfect for heavier items. Waterproof and burst proof. Tear and puncture resistant. Secure peel ... Read more

Ampac Envelope 240x320mm Extra Strong Oxo-Biodegradable Polythene Opaque (Pack of 100) KSV-BIO2

Ampac biodegradable extra strong envelopes made from oxi biodegradable polythene. Ideal for heavier weight items. Waterproof and burst proof. Tear ... Read more

Tyvek C5 Envelope 229x162mm Pocket Peel and Seal White (Pack of 100) 551024

Tyvek pocket envelopes. Tear and water resistant envelopes ideal for sending important documents safely and securely. Lightweight and flexible with ... Read more

Ampac Extra Strong Oxo-Biodegradable Polythene Envelope 335x430mm Opaque (Pack of 100) KSV-BIO4

Ampac biodegradable extra strong envelopes made from oxi biodegradable polythene. Ideal for heavier weight items. Waterproof and burst proof. Tear ... Read more

Strong Polythene Mailing Bag 400x430mm Opaque (Pack of 100) HF20212

Polythene Envelopes. Lightweight and economical. Easy to write on surface. Peel and seal closure. Tear and puncture resistant. Manufactured in ... Read more

Ampac Envelope 460x430mm Extra Strong Oxo-Biodegradable Polythene Opaque (Pack of 100) KSV-BIO6

Ampac biodegradable extra strong envelopes made from oxi biodegradable polythene. Ideal for heavier weight items. Waterproof and burst proof. Tear ... Read more