PRICES MAY VARY. Made from 79% Nylon and 21% Elastane with hook and bar closure and slide adjustment. Three-pack of bra strap holders in white, nude, and black to match your favorite bras. Simply attach the holder around the middle of your bra straps clip together and adjust to fit. Keep your bra straps from sliding down your shoulders and keep them hidden under tank tops. Perfect under racer-back tank tops to keep your bra straps invisible. Also provides lift for a fuller looking silhouette. Bra strap holders provide extra lift and support