20mm wide low back strap with multi-positions, for wearing with low-backed dresses or tops. Made from 86% polyamide, 14% Thanelast. To use: 1. Unfasten your bra at the back 2. Take the cross over end of the low back bra straps and hook it into one of the eyes on your bra 3. Fasten the hooks on your bra to the eyes on the cross over part of the low back bra strap 4. Take the long ends of the low back bra strap and pull down and around the waist, fastening with the hook and eye at the front 5. Adjust as required