AIR PACKAGE: Air Column Bag - Coil Express Bottle Cosmetics Liquid Package Buffer Bag Logistics Shockproof Bubble Pack Cushion Wrap Bag. Our Air Column Bag products are made of durable and transparent material with good air tightness and water tightness, high load-bearing capacity, long service life. This product is mainly used for packaging such as food, beverage, beauty products (perfume, perfume), toiletries (shampoo, shower gel), chemical materials.