... ocean ball, play ball size in 4cm,5cm,5.5cm,6cm,6.5cm,7cm,8cm pack as customer required:in opp ... , Φ60mm,Φ65mm, Φ75mm, Φ80mm,Φ50mm,Φ90mm,Φ100mm etc3.Colors : Green, Blue, yellow, Red, etc4.Performance: completely obturated, zero air vent5.Material ... young children.Custom colors are available on special order. ocean balls for kids