82% Nylon, 18% Spandex Elastic closure Mermaid swimsuits for girls, racerback, scoop neck, high elastic fabric Made with stretch for easy movement and comfortable wear, soft and skin-friendly fabric for a growing kids UPF 50+ rating offers ample sun protection for this girls' swimsuit Suitable for swimming, beach, pool, bathing party or summer holidays Grils bathing suits in age 3-10 years. Best choice for swim lesson or beach water fun