This Wonder Nation Girls Swimsuit set in size 4-5 includes a 2-piece bikini with a vibrant multicolor design, perfect for beach days and poolside fun. Made from polyester material, these swimsuits are machine washable for easy care and maintenance. The mild compression level offers a comfortable fit for active water activities, while the Wonder Girl character adds a playful touch to the overall look. Ideal for young girls who love the beach and want to look stylish while in the water.