Material: pvc thick flexible material

60cm:
Suitable for the crowd: 5-7 years old
22cm inner diameter after inflation
70cm:
Suitable for the crowd: 8-13 years old
Inflated inner diameter 26cm
80cm:
For the crowd: 13-16 years old
Inflated inner diameter 30cm
90cm:
For the crowd: 18 years old and above
Inflated inner diameter 33cm

Note: The swimming ring size mentioned in the article refers to the size of the product mold in the factory. The actual size of the swimming ring will be smaller because the actual process is to remove burrs and then hemming.