Bubble film, also known as air cushion film, anti-static bubble bag and so on, is made of low density polyethylene, which is a kind of transparent soft packaging material widely used at present. The principle is that the film contains air to form a bubble to prevent the product from hitting, to ensure that the product is vibrated to play a protective role, but also has the role of heat insulation. Suitable for various industries of different products packaging or turnover! Because the middle layer of the air cushion film is full of air, the body is light and elastic. It has the properties of sound insulation, shock resistance and abrasion resistance. It is waterproof, moisture-proof and pressure resistant.