TPU water ball: 1)CE and ASTM certificate 2)TIZIP zipper 3)good item for business 4)promised high quality water walker,inflatable water ball,TPU water ball in inflatable pool 1 The material of the water ball is imported,non-toxic, colorless, tasteless, meet the standard of environmental in Europe and the United States. The thickness of the material is TPU 0.8mm & TPU 1.0mm, with hydrolytism and ...