... .9mmTPU Color:transparent,red,,blue,etc CE/UL Transparent Inflatable running ball on water Product NameInflatable Water Ball/Inflatable Water ... Running BallMaterial0.8mm-1.0mmPVC,0.9mmTPUNormal SizeD=2mOptional SizeDiameter=1. ... shorterNotice:1.When into the ball, please put off your shoes.2.Do not carry any metal works or edge tools ...