C3 envelope
The Q-Connect KF01409 Board-Back Envelope is a C3 manilla envelope with 115gsm paper weight, featuring a peel-and-seal mechanism for easy sealing. This pack includes 50 envelopes measuring 450x324mm.
Strong 130gsm manila envelopes Secure peel and seal envelopes with Power-Tac adhesive for an exceptionally strong seal Subtle two-tone sheen finish paper for better presentation
Q Connect - Heavyweight Manilla - Envelope - Tear Resistant - Self Seal
Quality 120gsm Manilla Board Backed Envelopes - Rigid board keeps important documents safe - Hot Melt Peel & Seal Closure, for a more secure seal - Printed 'Please Do Not Bend' in Red - 100% recycled
Ampac C3 Envelope 335 x 430 mm, White - Pack of 20 with tamper-evident security and opaque material for added protection.
New Guardian - A strong two-tone manilla paper that safeguards important contents and offers premium protection for important Mail - C3 size - Subtle two-tone sheen finish paper for better presentation - Features peel & Seal closure for an even more secur
Make a difference to your mail with these Purely Packaging Board Back envelopes by Blake Heavy Duty Board Back to protect certificates, photographs, prints and more Strong Peel & Seal closure for ease of use, additional security and longer
Extra strong polythene envelopes, clear, 440 x 320mm, peel and seal closure, with a writable panel, ideal for mailing documents securely.
Go Secure Strong Polythene Mailing Bag 335x430mm Opaque, Pack of 100 - HF20211. High quality mailing bag for secure shipping or storage. Opaque to protect contents from view. Peel and seal closure for easy use. Suitable for a wide range of applications.
Blake Purely Packaging oil black peel and seal padded bubble envelopes. C3 size, 450x324mm, pack of 50.
Opaque lightweight poly envelope, 330 × 430 mm, with a convenient peel‑and‑seal flap that locks securely in place. The durable film resists tearing and protects contents from moisture, making it perfect for mailing documents or small items.
Blake Purely Everyday manilla self-seal pocket envelopes measure 450 x 324 mm and are made from 115 gsm paper. They come in a pack of 125.