... with your Moonjumper.Description 1. Spring, 2. Fixing Device for shoes, 3. Wrap Calf, 4. Control LeverSpecificationKids size(MJ001):Suit weight ... 5.5 KG/box Color: red, blue,yellow, black.....600pairs /20 ' containerAdult size(MJ002,MJ003,MJ004):Suit weight 60KG, 70KG, ... 9KG/pairPacking:1pairs/cartonColor:red,blue,yellow,black..280 pairs /20 ' containe moon jumper, fly jumper,power shoes,jumper shoes