airsac ultramail from network packaging features a mailing bag lined with our airsac multichamber inflatable packaging system. it offers a quick and efficient way to protect goods in transit. it is suitable for a number of businesses including internet retailers, electronics refurbishers, cosmetics distributors, pharmaceutical dispatch and more. all airsacultramail bags are supplied flat and are then inflated at point of use with compressed air, so they&39re incredibly space saving while being stored. it eliminates the need for cartons, void fill and tape. it is an opaque mailing bag outer, which can be customised to requirements from colour and size through to detailed branding. it features two selfseal strips, so can be used for customer returns if the need arises.