The Hanna Andersson Baby Toddler One Piece Rash Guard Swim Suit in size 90 (3T) is a unisex swim shirt made of durable nylon material. It features a bright yellow color, making it easy to spot in the water. This rash guard is designed to provide protection against rashes and sunburn while allowing for movement and comfort during swim time. Easy to care for with machine washable instructions, this swim suit is perfect for keeping your little one safe and stylish while enjoying the water.