Suitable age: Our baby swimming float is suitable for infants aged from 1-5 Years, with a maximum load of about 60 pounds. If the baby exceeds this weight, it needs to be accompanied by an adult to use the product. Cushion Design: The thickened and lengthened cushion design is very suitable for the baby's body shape. It will wrap the baby safely, so that the baby can learn to swim and play with water more safely. Material: PVC, reusable , Inflatable and deflated fast after small volume, light weight, convenient folding, easy to carry, can be reusable. Baby Swim Ring Size: Outside 24.4 inch inside 10.2 inch diameter of the leg hole 5.9 inch. Note: the inflation valve is designed to prevent air leakage. When inflating, please squeeze the inflation valve while inflating, so that the normal inflation can be achieved.