Easy-to-open recyclable envelope

摘要

A method of opening envelope (1) includes a line of perforation (2) is set on one of the four folding lines (111-114) of cover flaps (11-14), a 2 to 3 mm wide of tenacious tearing band (3) is adhered to the line of perforation having one end of it consists of an angled tearing line (41,42) to simply tear from the angled tearing line and lightly pull the tearing band along the line of perforation towards the opposite end. <IMAGE>