Material:80% Polyester & 20% Spandex.One-piece Swimsuit for baby girls. Size: size available from 3 to 8 years old.Please read the size details in Product Description before purchase. High quality stretchy fabric, Soft, Lightweight and Quick Drying. Halter neck for adjustability,Backless. Dress our casual swimsuit or Hawaiian swimsuit for girls, enjoy the summer, enjoy the beach. All Day Sun Protection :High-tech material with SPF 50,provide this swimwear for toddlers and girls swimsuit ultimate, secure protection for little swimmers.