GoSecure Envelope Extra Strong Polythene 240x320mm Clear (Pack of 100) PB24242

GoSecure extra strong and lightweight and waterproof polythene envelopes. Suitable for heavier items. A special white panel accepts any endorsement. ... 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

GoSecure Envelope Lightweight Polythene 440x320mm Opaque (Pack of 100) PB11126

Grey opaque lightweight envelopes made from polythene. Waterproof and burst proof. Secure Peel and Seal closure. Durable and tough polythene ... 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

GoSecure Envelope Lightweight Polythene 335x430mm Opaque (Pack of 100) PB11132

Grey opaque lightweight envelopes made from polythene. Durable and tough waterproof and burst proof material. Opaque for confidentiality with a ... Read more

GoSecure Strong Polythene Mailing Bag 440x320mm Opaque (Pack of 100) HF20210

GoSecure Strong Polythene Mailing Bag 440x320mm Opaque (Pack of 100) HF20210 Strong polythene mailing bags. Simple, secure peel and seal ... Read more

Mail Bag Self Seal 425x600mm (Pack of 100) Opaque Grey (Pack of 100) PM-04250060-C

Mail Bag Self-Seal 425x600mm Pk 100 Grey PM-04250060-C Easy to write on surface. Strong and secure self seal closure. Tamper ... Read more

GoSecure Envelope Extra Strong Polythene 440x320mm Clear (Pack of 100) PB30303

GoSecure extra strong and lightweight and waterproof polythene envelopes. Suitable for heavier items. A special white panel accepts any endorsement. ... Read more

GoSecure Envelope Extra Strong Polythene 360x460mm Opaque (Pack of 100) PB32324

GoSecure extra strong and lightweight and waterproof polythene envelopes. Suitable for heavier items. A special white panel accepts any endorsement. ... Read more

Tyvek B4A Envelope 330x250x38mm Gusset Peel and Seal White (Pack of 20) 756524 P20

Tyvek Gusset Envelopes. Water and tear resistant and burst resistant envelopes. Size - B4A 330x250x38mm. Pack of 20. Read more

GoSecure Envelope Extra Strong Polythene 440x320mm Opaque (Pack of 100) PB26262

GoSecure extra strong and lightweight and waterproof polythene envelopes. Suitable for heavier items. A special white panel accepts any endorsement. ... Read more

GoSecure Polythene Mailing Bag 235x320mm Opaque Grey (Pack of 500) HF20220

GoSecure Polythene Mailing Bag 235x320mm Opaque Grey (Pack of 500) HF20220 Lightweight to reduce postal costs. Flexible polythene. Secure peel ... Read more

GoSecure Strong Polythene Mailing Bag 335x430mm Opaque (Pack of 100) HF20211

GoSecure Strong Polythene Mailing Bag 335x430mm Opaque (Pack of 100) HF20211 Strong polythene mailing bags. Simple, secure peel and seal ... 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

GoSecure Strong Polythene Mailing Bag 460x430mm Opaque (Pack of 100) HF20213

GoSecure Strong Polythene Mailing Bag 460x430mm Opaque (Pack of 100) HF20213 Strong polythene mailing bags. Simple, secure peel and seal ... Read more

GoSecure Envelope Extra Strong Polythene 430x400mm Opaque (Pack of 100) PB27272

GoSecure extra strong and lightweight and waterproof polythene envelopes. Suitable for heavier items. A special white panel accepts any endorsement. ... Read more

GoSecure Envelope Extra Strong Polythene 460x430mm Opaque (Pack of 100) PB28282

GoSecure extra strong and lightweight and waterproof polythene envelopes. Suitable for heavier items. A special white panel accepts any endorsement. ... 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

GoSecure Envelope Lightweight Polythene 595x430mm Opaque (Pack of 100) PB11129

Grey opaque lightweight envelopes made from polythene. Waterproof and burst proof. Secure Peel and Seal closure. Durable and tough polythene ... Read more