Name: Watermelon Swimming CircleMaterial: pvcThickness: 20mmSize:60 swimming ring has an inner diameter of 22cm and an outer diameter of 50cm after inflation. Suitable for people (children aged 3 to 4 years)70 swimming ring has an inner diameter of 27cm and an outer diameter of 57cm after inflation. Suitable for people (children aged 5-9)80 swimming ring with an inner diameter of 31cm and an outer diameter of 68cm after inflation is suitable for people (suitable for teenagers)90 swimming ring has an inner diameter of 35cm and an outer diameter of 75cm after inflation, which is suitable for people (adults over 18 years old)100 swimming ring has an inner diameter of 38CM and an outer diameter of 85CM after inflation, which is suitable for people (adults over 18 years old)120 swimming ring has an inner diameter of 42cm and an outer diameter of 100cm after inflation, which is suitable for people (overweight adults)Packaging: single OPP bag color card packaging