Cushion has slit down the middle, so you can place your bra strap inside the cushion. Inside ribbed lining will keep the cushion from slipping, sliding or falling off. Eliminate bra tug, deep grooves and stress with these bra strap cushions. May be used many times. Made of 100% silicone. Includes one pair. Please Note: Recommended for bra straps up to 3/4" wide. Will work for straps up to 1" wide.