Product DescriptionMaterial:Each underwater ball is made of tear-resistant PVC material which can endure rough playing, and neutral buoyancy when full of water means the ball sinks first, then slowly floats to the surface.Why choose us:Reliable quality to ensure endless happiness.Unique design to add more summer atmosphere in the pool.9 inches, proper size for teens and adults.Hose adapter included, no other equipment needed for water filling.Specifications:Color: as pictures showMaterial: PVCSize: 9 inchesPackage includes:1* 1set（1 pc Swimming pool ball+1 pc Hose adapter with filling needle)Notes:Do not adjust the water volume to the maximum when filling water.After fulfilled, please remove the water filling needle in time and keep it in a safe place to avoid contact with the elderly and children.Please allow slight deviation in size due to manual measurement.Please allow slight color differences due to different monitors and light effects.