The Splash About Happy Nappy Wetsuit is a premium 1mm neoprene wetsuit featuring a built-in, reusable Happy Nappy swim diaper designed to deliver reliable protection against fecal leaks in the pool. Thoughtfully engineered waist and thigh cuffs create a secure, comfortable seal that helps contain solids, while full-torso coverage keeps your baby warmer for longer swim sessions.Designed for versatility and peace of mind, the Happy Nappy Wetsuit can be worn on its own or paired with the Happy Nappy Wrap and disposable liners for added leak protection and easier cleanup, making it an ideal choice for parents who value performance, comfort, and confidence in the water.Small = 0-4 MonthsMedium = 3-8 MonthsLarge = 6-14 MonthsX-Large = 12-24 Months