4Trans Dunnage Air Bag Item Code: Type: Sold By Quantity Miscellaneous Dunnage Bag Lightweight Description 4 Trans is an independently certified dunnage bag designed for side to side cargo securement and void filler applications in truck, container, rail and ocean transport. Each bag is made of woven polypropylene and co-extruded polyethylene and is fitted with a standard spring-loaded filling valve which allows for rapid inflation and deflation. 4 Trans is internationally certified for 4 modes of transportation.
