Prym Shoulder Strap Retainers With Safety Pin White With the shoulder strap retainers in a satin finish, the slipping of vest or bra straps is prevented when wearing sleeveless clothing. They are sewn into the shoulder area inside the garment. The straps are guided through the retainer which is closed with the press fastener. This allows even wide straps to be held perfectly in position. The shoulder strap retainers are made of 100% polyester and are equipped with a stainless press fastener made of brass. Shoulder strap retainers with press fastener for sewing into the clothing 100% polyester Washable up to 40 degrees