... , high strength2,Platform: multilayer inside, middle packing re-foam sponge (in accordance with GB 6675-2003), outermost packing a ... ;3,Rainbow ladder: internal wooden, middle packing re-foam sponge (in accordance with GB6675-2003 standard), outermost packing ... plank bridge: multilayer boards internal , middle packing re-foam sponge (GB 6675-2003), outermost packing imported super PVC horizontal ...