Blake Purely Everyday 220 x mm 100 gsm Gummed Mailer Envelopes (5707) White Pack of 500

Amazon

Gummed flap for a long shelf life and reliable sealing High quality 100 gsm paper Mailing wallets perfect for use on mailing and inserting machines Ideal for business correspondance, letters and other mail

Zoro Tools

A square envelope always enhances a mailing and with the largest range available in Europe, this gives infinite opportunities for provocative direct mail.