With an integrated Happy Nappy, this award winning girls costume is the ultimate in reusable nappies. Approved by all major swim schools The Happy Nappy costume is the only leak free costume option for baby and toddler girls. Including an integrated Happy Nappy for a leak free swim, use alone or with the Happy Nappy system. Insisted upon by most swim schools. Selection of designs, from essentials through to designer, to suit all pockets.