Features: 1) High class PVC or PU cover, foam PVC2) Butyl bladder, rubber bladder 3) Lined with strong fabric 4) Sizes: 5, 4, 3, 2, 1 available 5) Layers: 1, 2, 3, 4 Inner packing: 1pc/polybag or as required Outer packing: 50pcs/ctn Carton dimensions: 72 x 45 x 45cm N.W.: 21kg G.W.: 23kg producing area:China payment:T/T, L/C