Reversible envelope for sending e.g. letter, has body with end parts having glued tabs, where three tabs are folded inwards and two tabs are pasted on body after folding parts, and former tabs being unfolded and glued on edges

摘要

The envelope has a main body with three parts (P1-P3), where the two end parts (P1, P3) have glued tabs (1-6). The tabs (4-6) are folded inwards, and the part (P3) is folded below the part (P2) and then below part (P1). The tabs (2, 3) are pasted on the body. The tabs (4-6) are unfolded, the part (P1) is folded on the parts (P2, P3), and the tabs (4, 5) are glued on edges of the envelope for reutilization of the envelope.