Smart & Sexy Ruched Back Bottom Nylon (Body: 82% Nylon, 18% Spandex; Lining: 100% Polyester) RINSE WITH COOL WATER AFTER WEARING. HAND WASH COLD WITH LIKE COLORS. DO NOT BLEACH. LINE DRY IN SHADE. DO NOT TUMBLE DRY. DO NOT IRON. Bikini bottom fit Decorative ruched back flatters your bottom Great to mix and match with your favorite swim top