SAD-W1 Inflatable Air Packaging System (Two film rolls INCLUDED) No more packing peanuts bags, prefilled bubble film rolls or paper void fills; Adjustable air cushion size from 5 in. to 11 in. Adjustable film length from 3 ft. to 328 ft.; Adjustable temperature control for air cushion sealing; And No tools required as cutter is build-in, perforation of the film for optimized packing flexibility.