Detailed Product Description We can supply sand bag for body building.Including wrist sand bag,ankle sandbag. 1) Material: 2mm neoprene 2) To wear off the fat, extra water and slim your body by exercise except heat retention 3) Protect legs from muscle injuring 4) Flat stitching 5) Sizes: S, M, L, XL 6)inner packing:polybag outer packing:carton