The Happy Nappy from Splash About is a reusable neoprene swim diaper that reliably protects against fecal leaks. Endorsed by parents worldwide, The Happy Nappy is the ideal alternative to disposable swim diapers. Designed to move with your baby as they kick and splash, with no gaping, the Happy Nappy fits snugly on the waist and thighs, with specialist fabric forming a secure seal that will hold in solids. The Happy Nappy swim diaper is made with high-quality 1mm thick neoprene and can be worn alone, or with the Diaper Wrap and liners for double leak protection and to help make cleaning and changing easier.