The M&S 9-12 Month Swim Suit is a cute one-piece outfit designed for babies and toddlers. Made from a blend of polyester and elastane, this green swim suit features a playful octopus theme and long sleeves, making it perfect for protecting your little one from the sun while they play in the water. Easy to care for with machine washable fabric, this unisex swim suit from Marks & Spencer is a stylish and practical choice for your child's swimming adventures.