material: neoprene sand bag black magic tape , neoprene+FRPS , iron fillings weight,size,color per your needs

 1.wrist sandbag ,neoprene sand bag wrist weight ,fitness weight

 2.material: black magic tape , neoprene+FRPS , iron fillings  3.packing: 1pairs/inner colou box

              then 10 pairs/brown cardboard

 4.MOQ: 2500pairs

 5.for the weight , the regullar one is 0.5-1-1.5-2kgs....per your need

 6.For the width and length , even with the weight , we could design as your need

 7.textile label(logo)also is available

 8.Sample fees prepayed by PAYPAL

 9.unfolded views for your consideration

 10.functions: increase the arm strength through training

 11.protect the hand from destroyed as do box training........

neoprene sand bag