Material:PVC Adult: M:34-35 (bottom about 25cm)  160g  L:36-37 (bottom about 26cm) 167g  XL:38-39 (bottom about 27cm) 173g  XXL:40-41 (bottom about 28.5cm) 199g

Child: S:27-28 (bottom about 21.5cm) 138g  M:39-30 (bottom about 23.5cm) 149g  L:31-33 (bottom about 24.5cm) 155g  XL:34-36 (bottom about 26.5cm) 168g