Carter's Baby Girls 2-Piece Rashguard Set (Pink) Rashguard & bottom: 82% polyester, 18% elastane; Lining: 100% polyester Hand wash in cold water; line dry 2-piece set UPF +50 sun protection Fully lined Rashguard & bottom: 82% polyester, 18% elastane. Lining: 100% polyester Hand wash in cool water and line dry