Specification Material: EVA Color: Yellow Inner Diameter: 8.3inches/21cm Outer Diameter: 11.4inches/29cmPackage Including: 1 x Yellow Dog Toys Ring Water FloatingWarming Tips: 1se allow 1-3cm error due to manual measurement. Please make sure you do not mind before you bid. 2 to the difference between different monitors, the picture may not reflect the actual color of the item. We sincerely hope to get your understanding. 3se use it under supervision.