【Product Specifications】Package Contents: Arm rings x2 Size: Approximately 19 x 23.5cm Weight: 100g. Material: PVC 【Suitable for】Swimming aid that can be used by children aged 3 and over, as well as adults. Weight 15-80KG. The size of the arm ring can be adjusted to fit the thickness of the arm. Recommended to inflate to 70%. WWW Arm Rings for Adults and Children, Inflatable Armbands, Arm Helpers, Swimming Aids, Arm Buoys, Swimming Equipment, Swimming Supplies *Also on sale~* #naapo shop 36-42 / 3511