40 count ( 20 pairs ) Collar Stays In Clear Plastic Box This set contains 10 - 2.2", 10 - 2.5", 10 - 2.7, and 10 - 3" collar stays in clear plastic box. The collar stays do not work with magnets. Nothing says more about a man's look than his attention to the small details. Having your collars looking straight and crisp is a must for achieving a polished look. These collar stays will help your collars keep their true shape throughout the day. They are made from stainless steel and are strong and durable.