(Bestway) Surf & Sun 21inch Open-Ended Animal Swim Ring(Assorted) The Open-Ended Animal Swim Ring is designed for easy access and support for young children and is great for entry level swimmers. It has a sturdy pre-tested vinyl contruction along with a safety valve. Features: - Sun & Surf Open-Ended Swim Ring. - 3 Assorted animal designs. - Sturdy pre-tested vinyl construction. - Great for entry level swimmer. - Diameter: 21' (53cm). - Safety valve. - Suitable for ages 3-6 years.