Blake Purely Everyday White Window Gummed Mailer DL 110X220mm 110gsm (Pack 1000)

White, DL 110x220mm, Window 35 x 90mm, 18up, 19lhs, Peel and Seal, Pack 1000, 110 GSM, Mailer, Blue Hatch Security Opaque The most extensive range of mailing wallets available from stock in the world! Sizes that are unique to Blake and window positions that cater for every address permutation justify our bold statement.

- These envelopes are boxed with their flaps folded down.
- These envelopes have external side seams
- A water soluble gum – the most common sealing method and always used for mailing envelopes. Moisten the layer of adhesive along the envelope flap and close.