shakeproof、moistureproof、antistatic;adumbral, warm, heat insulation

Outer layer of aluminized film (silver, black, gold, blue, red, green, purple, etc.), lined with bubble film.

Bubble film has good shock resistance, impact resistance;
Damp proof, dustproof, pressure proof, anti-collision, shading, heat insulation, heat preservation;
Color, shape, size, the sealing way, bubble size, etc., can be arbitrarily selected.