High Quality: It is made of environmental PVC material. It possesses waterproof, non-toxic, durable and soft characteristics.The process and design conform to the requirements of international toy safety standards. Convenient & Simple:Easy to inflate and deflate. folds easily for storage and transport, Double-decked air chamber design, first inflated the small air chamber , and then inflated the big airbag. Double Safety :Our swimming ring use double safety lock, adjust loose or tight,and both sides have leakproof nozzle.offer your baby more sense of security and comfort. Rollover Prevention Design:Double wings keep stable even baby moves up and down, helping baby how to balance in the water. Quality Guarantee: Each product has been detected by gas, If you have any problems, don\'t hesitate to contact us at any time.90 Days 100% Satisfaction Guarantee and Our Friendly Service - 24 hours email customer service response.