Swim Essentials Lifebuoy 90 cm. The life ring is suitable from the age of 6 years. Series: Swim Essentials lifebuoy. Material: 0.20 mm PVC. Weight: 400 g. Age group: from 6 years. Maximum weight: 80 kg. Number of air chambers: 1. Dimensions: outer diameter 90 cm, inner diameter 30 cm. Product safety: Warning! : Not suitable for children under 3 years. Younger children should only use the rings in shallow water. Adult supervision. Please note the manufacturers safety instructions (product packaging/instruction leaflet).