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.

C-6 SK Self adhesive

C-5 HK white Self adhesive

C-5 HK brown Self adhesive 

C-4 HK white Self adhesive 

C-4 HK brown Self adhesive 

DL SK Self adhesive

DL SK Self adhesive with a window

B-5 HK white Self adhesive

B-5 HK brown Self adhesive

B-4 HK white Self adhesive 

B-4 HK brown Self adhesive