1.material: black magic tape , neoprene+FRPS , iron fillings 2.weight :0.5-3kgs 3.color,size etc all per your needs 1.wrist sandbag , ankle weight ,fitness weights , heavy bag , neoprene boxing gloves2.material: black magic tape , neoprene+FRPS , iron fillings 3.packing: 1pairs/inner colou box then 10 pairs/brown cardboard4.for the weight , the regullar one is 0.5-1-1.5-2kgs....per your need5. ...