Features:1.Made of PVC material, durable and waterproof, safe to touch your baby's soft skin.2.With double-layer air chamber design, no sharp parts, non-slip, safe, close contact with baby's skin, safer swimming ring.3.Added an independent buoyant tail at the end of the swimming ring to improve balance and prevent rolling backwards during use.4.Floating baby double airbags, side and back airbags and safety locks to keep the baby balanced and protect the baby in all aspects.5.The thickened inflatable seat and back cushions make the baby's buttocks not feel tight and take good care of the baby's tender skin, and the double safety protection effectively prevents the baby from being hurt when moving and playing.Specifications:Material: 0.35MM environmental protection 6P material (phthalate-free, with EN71/CPC certificate)*S sizeInner diameter 15CM (suitable for 3-12 months 10-20 kg) 0.65KG (folding tent model 750G)*L sizeInner diameter 16CM (suitable for 1-4 years 16-44 kg) 0.75KG (folding canopy models 850G) Color box size: 21 * 6.6 * 19.6CM