i play. Baby Girls' Ultimate Swim Diaper Triangle Tanksuit 50% nylon/50% lycra Machine Wash Stretchy one-piece tanksuit has a triangle top, cross-back straps and ruffles at the legs Nylon, Lycra with polyester lining Built-in Ultimate Swim Diaper Waterproof outer layer, super absorbent inner layer and wick-away lining next to baby's skin i play swimwear is made from specially treated fabric with a UV protection factor of 50+