Kate Mack Baby Girls' Up Up and Away Tankini Shell: 83% Polyester/17% Spandex; Ruffle Under: 80% Nylon/20% Spandex; Ruffle, Lining: 100% Polyester Imported Elastic closure Hand Wash Netting tiers in aqua and pink accent the top of the suit Scooped X-back detail This garment meets the highest certified UPF rating - UPF 50+