Platypus Australia: The performance one piece has thick strap racerback styling for improved fit and comfort. The Keyhole back adds style in spades! An essential swimsuit shape for swimming lessons and active girls. UPF 50+ offers excellent sun protection, the highest possible, blocking out more than 97. 5% of the sun's harmful rays. Fabric is a high quality Matt Nylon LYCRA XTRA LIFE , ultra chlorine resistant, breathable and quick drying. Swimming costume80% Nylon and 20% LYCRA XTRA LIFE Hand wash only Shop At House Of Fraser