Tianjin King Courage Development Co.,Ltd is involved in the manufacture and distribution of dunnage bags in China, used to secure complete shipments in or on trucks, containers, ships, railway cars etc. These dunnage bags have an outstanding stabilizing capacity, withstanding tons of pressure and resistance to load shifting. These highly effective dunnage bags are constructed of layers of high strength extensible Kraft paper, and the inner liner is coated with polyethylene film for added protection against loss of air pressure. For more information,please visit our website:www.kingcourage.net.