【HIGH QUALITY】Our collar stays are rigorously inspected to meet the highest standards of quality. 【DURABLE】This product is designed to last for a long period of time for daily use. 【THICK】Our men's collar stays are 3 times the thickness of the flimsy plastic collar bones that come with your shirts. They will keep your collars stiff all day long. 【SMOOTH EDGES】Each collar stiffener is carefully produced with smooth edges and rounded corners, making it easy to insert. 【100 COLLAR STAYS】There's no need to worry if some went through the wash or got misplaced. This set of bulk collar stays should last you a long time. 【 STRONG-DIVIDED BOX】this box is perfect for travel or everyday storage. The box with 4 sizes contains 100 plastic collar stays 25-2", 25-2.2", 25-2.5", 25-2.7".