Reaction ball, agility ball Great for sportsman training, and also for fun 6.7cm Dia/158g weight with unpredictable bounce Reaction ball, agility ball:1.Great for sportsman training, and also for fun2.Dia(6.7cm)/158g weight with unpredictable bounce3.material: Rubber or PU 4.packing:opp bag or color box5.payment term is: T/T(30%+70%) or L/C at sight Reaction ball