Poly Bubble Envelope

1.Made of co-extruded film with bubble film;2.With white color outside and black/grey color inside;3.Outstanding stiffness and puncture resistance;4.Hot melt adhesive;5.Clean,professional look;6.Tear resistant,water-resistant,security;7.Saving ostage;8.Environmental;9.100% recycled;10.Easy to open and use;11.Any size,design and printing can be customized.