... strength2,Platform: multilayer inside, middle packing re-foam sponge (in accordance with GB 6675-2003), outermost packing a layer ... degrees, in line with national standards;4,Foreskin: high-density foam and EVA foam, thickness ≥ 6mm, coated with flash leather, easy ... : galvanized high-strength screw with protective green plastic cover;10,Carpet: high-density EVA foam sponge, safety and environmental ...