Our company provides Single and Double bubble envelope, Antistatic bubble bag, Gold kraft paper envelope, Colored Metallic Bubble Envelopes. The bubble diameter is 30mm-5mm. It has the function of sound insulation, heat insulation, alkali prevention, damp proof, waterproof, heat preservation. 1. Bubble bags could protect goods’ safety by the bubbles filling air. 2. It could protect goods when impact by others.At the same time, it possesses the advantage of warm preservation and heat insulation which could be applied in products packaging and transferring in various industries. 3. Bubble bags include two kinds of singe and double bubble. 4. Single bubble bag is applied to protecting goods with light weight. 5. Double bubble bag is applied to protecting goods with large volume and heavy weight.