My Pool Pal Swim Trunks with an UP360 Swim Diaper Built Inside. Our My Pool Pal Swim-sters undergarments make participating in water activities possible and enjoyable for children and adults with special needs, allowing families to spend quality time together and create memories that last a lifetime. No Additional Diaper Necessary for Water Activities. Comfortable and Discreet. No Absorbent Materials, Fast Drying, No Sagging and No Dripping. Outer Shell: 85% Nylon, 15% Spandex. Liner:100% Polyester with Breathable Lamination Membranes. Latex Free. Machine Washable, Hang Dry. Made In The USA.