Blake Purely Everyday White Peel and Seal Pocket 305X152mm 100gsm (Pack 250)

White, 2/3 C4 305x152mm, Non Window, Peel and Seal, Pack 250, 100 GSM, Pocket, Blue Hatch Security Opaque An extensive range of peel and seal envelopes that is a league above standard latex self seals. It's obvious advantage being the extended shelf life that comes with peel and seal and is becoming more and more popular due to this key feature.

These envelopes are boxed with their flaps folded down.
These envelopes have external side seams
One of the most secure ways to seal an envelope, peel away the release tape from the flap to reveal a strip of latex and press down to form an instant bond.