Baby Buns Girls' 1 Piece Swimsuit with Cover Up Ribbons and Dots Cover Up: 65% Cotton/35% Polyester; Swimsuit: 92% Polyester/8% Spandex Machine Wash Cover up: 65 percentage cotton, 35 percentage polyester. 1 piece swimsuit : 92 percentage polyester, 8 percentage spandex 1 piece swimsuit with cover up ribbons and dots