Multi-Flod Safety ProtectionDouble-layered Air Chamber,Raised Front,Widened Sides,Shoulder Strap,2 non-detachable Back Airbags,Abdomen Support,Bottom Croth,keeping infant in place to advoid forward overturning,flip over or sliding out.Baby-safety materialMade of durable leak-proof PVC material passed the CPC Standards which is the highest and strictest international safety standards of toys,making it 100% safe and non-toxic,friendly to baby's skin.Two swim waysUpgraded into 2 swim ways which is backstroke and breaststroke with different buckle method,two ways are more interesting.Convenient & SimpleProvide 1x manual pump for easy inflation. Easy to inflat and folds for storage and transport. (80%-90% of inflating is enough)