The only authentic Happy Nappy. If it doesn't say SplashAbout, It's not a Happy Nappy Insisted upon by swim schools - Proven to be the most effective swim nappy for preventing solid leaks into the pool Multi award-winning - Awarded Gold in the Mother and Baby Awards for 4 years running, including 2023 Reusable swim nappy made from 1 mm thick neoprene, with a unique patented 3 D design, for the protection against faecal leaks To ensure the perfect fit, please measure your baby's waist and thigh and refer to our size guide image. Babies come in all shapes and sizes and our easy to follow size guide will help you chose the best fit for your baby. The best choice in reusable swim diaper Made from super-soft 1mm thick neoprene, the Happy Nappy is designed to be gentle on baby’s skin. With no tight elastic, it has been developed to move as your baby moves, so it won’t leave red marks or chafe the skin. The snug ribs around the waist and thighs are reliable in keeping in solids and preventing any accidents from leaking into the pool. Regularly voted the most comfortable swim nappy and with no poppers or Velcro, the Happy Nappy is the most secure, leak-proof swim nappy available.