Take on swim lessons and water play with confidence knowing your little one is protected from accidents with our i play.® by green sprouts® Classic Trunks with Built-in Reusable Absorbent Swim Diaper. Our 2-in-1 baby boy swimsuit with reusable swim diaper helps save money and reduce waste compared to disposable diapers, which are often less secure than our triple-layer diaper design. Our trim, lightweight baby swim diaper is built in, and has a wicking liner to prevent diaper rash, absorbent inner layer that doesn't puff up, and waterproof outer layer that works with the snug-fitting waist and legs to help prevent leaks. It is machine washable for easy cleaning and convenience.