Prym Shoulder Strap Retainers Black provide a secure and stylish solution for keeping straps in place. These practical accessories prevent the slipping of vest or bra straps when wearing sleeveless clothing. Made of 100% polyester with stainless press fasteners made of brass, these retainers offer durability and comfort. Available in black, they feature a satin finish and can be sewn directly into clothing. The retainers are washable up to 40 degrees, making them easy to maintain. Perfect for ensuring your straps stay perfectly in position, even accommodating wider strap styles. Keep your look polished and prevent wardrobe malfunctions with these essential Prym accessories.