The award-winning Splash About Happy Nappy swim diaper is trusted by parents worldwide for its secure, comfortable fit in the water. Designed to contain solid leaks while swimming, it s made from premium neoprene that gently hugs your baby s bottom, with soft nylon-elastane ribs forming snug, leak-proof seals at the waist and thighs. Required by many swim schools across the Us, it helps prevent accidents that can lead to pool closures and disrupted lessons. The simple pull-on design removes the need for snaps or Velcro, reducing gaps and making changes quick and easy. It can be worn alone without a disposable diaper. Made from durable, chlorine-resistant materials, it s built for repeated use without losing shape or stretch and is an essential for families wanting trusted leak protection with less waste.