Durable and Sturdy: All 6 collar stays are made of stainless steel. They are magnetic, resistant to bending or breaking, and extremely durable for repeated use. Smooth Edges: These sturdy metal collar stays will not deform, keeping your collar crisp and your shirt neat and tidy all day long. The edges of the stays are smooth and will not leave any scratches on your collar. Three Sizes Available: The metal collar stays come in three lengths to meet different needs – you can choose the right size to match different shirts. Six magnets securely attach the metal collar stays. A Perfect Gift: Shirt collar stays are a must-have in everyday life. The elegant gift box makes them a perfect gift for fathers, husbands, and boyfriends, suitable for birthdays, Thanksgiving, Father's Day, Valentine's Day, Christmas, and many other occasions. This rust-resistant and durable collar stay will not rust, meaning it will not leave any stains on your shirt. It is completely safe to use on white shirts. Quantity: 1 set (3 pairs) Size: 56x10x0.8mm/63x10x0.8mm/70x10x0.8mm Color: Silver Notes: 1. Package contents: Only includes the above content; other products are not included. 2. Sizes are measured manually; please allow 1-2 cm measurement error. 3. Due to differences in monitors and lighting, the actual color of the product may differ slightly from the color shown in the picture.