Double crystal swim ring
Manual measurement: There is an error 1-5CM
[# 60] before Cub paragraph inflatable size: 60cm outer diameter inner diameter 22cm Recommended use 3-6 years
[# 70] before the inflatable child models Size: 70cm outer diameter inner diameter 26cm recommend use of 6-12 years
[# 80] before the juvenile section inflatable size: 80cm inner diameter outer diameter 30cm recommended 12-18 years use
[# 90] before adult size inflatable models: the inner diameter of the outer diameter of 90cm 33cm for adults (due to different personal method of error of about 5cm)

Tips: Because each batch of goods manufacturers are not the same pattern of hair， photographed after swimming laps pattern is random hair Oh!