Air Jackets[R] are unique, light weight protective padded mailers made from a durable, moisture resistant, multi-layer blend of polyethylene film. The AirJacket exterior film is laminated to a resilient interior bubble material for effective cushioning protection and is constructed with strong side heat seals for superior bursting strength. The bright white exterior film creates the professional image you are looking for and our pressure sensitive hot melt (self seal) adhesive closure system is reliable, tamper evident and easy to use. Applications: ship documents, materials and products that require extra in-transit protection.