i play. Baby Girls' Skirt Tanksuit with Swim Diaper Shell: 82% Nylon/18% Elastane; Diaper: 100% Polyester Imported Machine Wash All-day sun protection- wet or dry! Quick-dry material for active play and helps provide ultimate, secure protection for babies and swimmers Wide shoulder straps stay put Built-in, lightweight diaper encourages swimming and no other diaper necessary. Economical and creates less waste- use and reuse UPF 50+ excellent sun protection Formaldehyde free and AZO-free dyes