- Size options: After inflating, the outer diameters are 75 cm (suitable for teenagers and adults 45-60 kg), 31.5/80 cm (suitable for larger adults 130-175 lbs), and 66 cm (suitable for teenagers 35-50 kg). - Material and safety: Made of PVC. Environmentally friendly and non-toxic. Soft and comfortable to touch. - Quality and durability: High quality PVC material, resistant to extrusion, waterproof and durable. Quick and easy to inflate with no leakage. Safe printing with bright color that does not fade easily. - Benefits and versatility: Inflatable pool rings provide active fun and relaxation during summer. Suitable for sports enjoyment, beach trips, and pool parties. - Use scenarios: 1) Family pool day or beach outing with teens and adults enjoying floats and light play. 2) Summer pool party or beachfront gathering for fun, social activity, and relaxation. 3) Individual lounging or light water exercise on hot days at the pool or lake.