An envelope is a common packaging item, usually made of thin flat material. It is designed to contain a flat object, such as a letter or card. Traditional envelopes are made from sheets of paper cut to one of three shapes: a rhombus, a short-arm cross, or a kite. These shapes allow for the creation of the envelope structure by folding the sheet ...
Self Seal White Window Envelopes use a seal gum made from latex. No moisture is required. Both the flap and the seal area are coated with latex. When the flap is closed, latex comes into contact with latex, and a cohesive bond is created.
Common Trade Names : Touch ‘n Reseal, Autofix, Ready Seal, Multi-stick, Drylok and Simpli Stick.