... inflatable water walking ballSpecification of water ball,water walker,water walking ball,water sphere,walk on water ball,inflatable water ball, inflatable water walking ball and inflatable water sphere,water toys,inflatable toys,walk on water ... .0mDia(6.56ft) or 2.5mDia(8.2ft)The big size of water ball:3.0mDia(9.84ft)Usually,3.0mDia is ...