1.material: black magic tape , neoprene+FRPS , iron fillings 2.weight :0.35kg; long: ... .wrist sandbag , ankle weight ,fitness weights , Boxing gloves2.terial: black magic tape , neoprene+FRPS , iron fillings 3.packing: 1pairs/inner color ... you are training boxing , prevent your hands from injury...... neoprene finger weight