... , Best sealking for each water ball 3, Color water ball 4, Fast delivery inflatable human sized water ball, tpu or pvc material : Catalog:inflatable ... , water sphere, water walker, aqua ball, walk on water ball, etc Size:Dia.2m(6.56ft),or as required Material:0.8mm,1 ... on should not be take into the ball in order to avoid cutting the ball or wounding the rider’s body in tumbling ...