Window envelope | from 72 to 103

White Q‑Connect C4 window gusset envelopes, 120 gsm, peel‑and‑seal design for secure mailing. Pack of 125 offers durable, easy‑open packaging with clear view windows and a sturdy gusset for bulk handling.

Plus Fabric DL Window Envelopes are self-sealing, 120gsm white envelopes designed for secure mailing. Each pack contains 500 envelopes, featuring a convenient window for easy addressing. Ideal for business correspondence and personal use.

White self‑seal envelopes, 100 g/m² cardstock with a clear window for addresses. Each pack contains 1,000 units, ideal for business mailing and document delivery, offering durability and easy sealing.

New Guardian - A strong two-tone manilla paper that safeguards important contents and offers premium protection for important Mail - C4 size - Subtle two-tone sheen finish paper for better presentation - Features a peel & Seal closure for a more secure se

Basildon Bond- 100% natural mailing choice for those who Care about the ENVIRONMENT - C5 size, and features a window film that is 100% biodegradable, so even the window envelopes can be recycled as usual - Features a subtle green opaque - Features a peel

Q-Connect Envelope 89x152mm Pocket Centre Window Gummed 70gsm Manilla Pack of 1000 - KF3431

New Guardian - A strong two-tone manilla paper that safeguards important contents and offers premium protection for important Mail - C4 size - Subtle two-tone sheen finish paper for better presentation - Self Seal for an instant bond - 250 120gsm bright w

Q-Connect C6 Envelope Wallet Self Seal 90gsm White, Pack of 1000 - Perfect for sending documents and letters, durable and secure with a self-sealing feature.

Plus Fabric DL Wallet Envelope with window, peel & seal, 120gsm white, pack of 500. Easy open design for convenient mailing.

C4 size white pocket envelopes with windows, made from 120gsm paper, featuring peel and seal closure for convenient mailing.

Basildon Bond Peel & Seal Wallet Envelope in DL size, white color, 120gsm recycled paper, pack of 500 envelopes.

Evolve recycled envelopes90 gsm envelopes with blue opaque interior showing the recycled logo These envelopes are made from 100 percent recycled paper and are 100 percent biodegradable Easy to close Self Seal flaps

Eco Envelopes: Made from recycled paper, these self-sealing C5 envelopes measure 229x162mm and feature a clear window. The 90gsm weight ensures durability while staying eco-friendly. A pack of 500 white envelopes for all your mailing needs.

Peel and seal closure gives an extra strong bondhigh quality white gusset envelopes Strong 120gsm white envelope

Q-Connect C5 Envelope, 100 gsm, window with peel and seal feature, white color, pack of 500.

Q-Connect C4 Gusset Envelopes are designed for secure mailing, featuring a peel and seal closure. Made from durable 120gsm white paper, this pack of 125 envelopes is perfect for sending documents, brochures, and more with ease.

Blake Premium Business C5 Wallet Envelopes are made with 120 gsm woven paper, perfect for business correspondence. Peel and seal design makes mailing easy, while the brilliant white color ensures professional presentation.

Blake's premium business C5 envelopes feature a High White Wove finish, peel & seal flaps for secure sealing, and window openings.

Blake Premium Business Ice White Wove Peel & Seal Wallet Envelopes - 162 x 229 mm, 120gsm. Pack of 500

The Q-Connect C6 Low Window Envelope is made from 90gsm white self-seal paper with a clear window. It comes in a pack of 1000, making it ideal for businesses and large mailing projects.