Required by most swim schools and public pools, reusable swim diapers are great alternatives to disposable diapers. The snug elastic around the waist and legs create a secure fit with these swimming diapers for infants to contain solid waste. FINIS provides an array of sizes that translate into comfort for the baby and confidence for the parents. A soft woven polyester lining gives the pool diaper an extra soft layer against the baby's skin. With protective UPF 50+, this baby swimming accessory keeps harmful UV rays away from sensitive areas. This product is free of Phthalates and PVC.