Blake Purely Everyday 90 gsm C5 229 x 162 mm Pocket Self Seal Window Envelopes (12084) White Pack of 500

Amazon

Easy to use Self Seal closure High quality 90 gsm paper Perfect for business correspondance, letters, brochures and more Window: 45 x 100mm, 72 up, 15 left Self Seal High quality weight paper Suitable for brochures, catalogues etc.

Zoro Tools

A vast array of white envelopes catering for every size. With gummed, self-seal, pocket and wallet varieties available.