The Braza Bra Strap Comfort Silicone 4100 are silicone cushions that you slip your bra straps into for immediate comfort. Eliminate bra tug, deep grooves and stress with these bra strap cushions. The Braza Bra Strap Comfort Silicone 4100 are made of 100% silicone. Great for wearing many times. Includes one pair.