Blake Purely Everyday DL+ 121 x 235 mm 90 gsm Self Seal Wallet (16882) White Pack of 1000

Amazon

Easy to use, self seal closure High quality 90 gsm paper Ideal for business correspondence, letters, brochures and more Useful as everyday stationery

Zoro Tools

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