Washable, reusable, and simply adorable. Our swim diapers allow water to easily pass through while keeping solids securely contained and out of the pool. With quick drying nylon and a soft terry liner for comfort, the wrap style design makes it easy to change your little one while the adjustable waist with added ties ensures a secure fit every time. Worn alone while swimming and with a diaper if needed when out of the water. Recommended for use in public and private pools. Medium size goes for 14-25 pounds/6-11 kg. Large goes for babies from 25-40 pounds/11-18 kg. X-Large goes for babies from 40-50 pounds/16-23 kg.