Strap it only. All of our strap-its should be hand washed in cool to warm water in a mild soap solution. Please air dry. Strap Its Fabric: 79% polyester and 21% spandex Wear your straps in a variety of ways: Conventional, halter, racer back Straps are between 13.5 and 15 inches. All of our straps are fully adjustable to fit just about any size.