Special stretcher for disaster and EMS services High strength and aluminum construction Lightweight, high capacity Easy to use and store Foldable in length and width Composed of two groups of 4 sections of high strength alloy aluminum. After folding, the length and width of the product should be adapted to the back for easy movement.Waterproof seamless PVC mattress (8cm thickness sponge)3 safety belts (for chest, hips, knees) and shoulder straps.Fastening devices