This M&S Girls Swim Suit is a stylish and practical choice for young swimmers. The long sleeves provide added protection against the sun, making it ideal for keeping your child safe during their swim time. The athletic style and floral pattern add a fun and vibrant touch, while the compression level offers moderate support. Made from a blend of polyester, polyamide, spandex, and elastane, this swimsuit is machine washable for easy care. Designed by Marks and Spencer, this one-piece suit in multicoloured hues is perfect for 9-10-year-old girls looking for a fashionable and functional swimwear option.