The new and improved 3D Happy Nappy is the most reliable swim nappy in the world. If your baby is starting swimming lessons, then make sure you take the Splash About Swim Happy Nappy with you, which is approved by most baby swim classes. Designed to keep accidents better contained than regular nappies without the need for another nappy underneath, it\'s an extremely practical solution. The snug fitting waist and legs help ensure that nothing escapes, leaving you and your little one to enjoy your swim.