Adjustable and Elastic strap. Length: 12.2 inch 18.5-26.3 inch Use a low back bra converter straps, get your favorite bra into a low back bra. Become a fashion and sexy woman. How to use 1.Loosen your bra straps all the way. 2.Hook the hook part of Low Expectations onto the eye part of your bra and the hook part of your bra onto the eye part of Low Expectations. 3.Wrap the strap around your stomach and connect the hook and eye.Our Low Back Bra Straps are Great Becourse: 1.Belt looks smooth under your clother with no telltale outlines or bulges 2.Interlocking end pieces instead of buckles eliminate unsightly buckle bulge 3.Belt has adjuster to fit most waist sizes Adjuster slides easily for quick adjusting.Adjuster stays in place when belt is worn