BILL MIO One piece Halter straps Sweetheart neckline Shirred sides Moderate seat coverage FABRIC Mesh.Composition: 82% nylon 18% spandex. CARE INSTRUCTIONS For the long life of this easy care style, please follow the directions: rinse in cold water after wear in chlorine water. Cold water wash, cool dry line dry, do not dry clean. No Softeners. Only use non-chlorine bleach when needed.