STRONG AND DURABLE: All 6 collar reinforcements are made of stainless steel. They do not bend or break easily, are very strong, durable, and can be reused for a long time. SMOOTH EDGE: These sturdy metal collar stays won't warp, keeping your collar stiff and your shirt looking crisp and clean all day. The collar stays have smooth edges that won't damage your collar. 3 SIZES AVAILABLE: The metal collar stays are available in 3 length sizes to suit different needs. 6 magnets help hold the metal collar firmly in place. GREAT GIFT: Collar stays are essential for everyday wear. The gift box packaging makes them ideal for fathers, husbands, and boyfriends on birthdays, Thanksgiving, Father's Day, Valentine's Day, Christmas, and other occasions. RUST-RESISTANT: Heavy-duty stainless steel construction resists rust, helping prevent stains on your shirts. Safe to use with white shirts. PACKAGE INCLUDES: 1 set (3 pairs) DIMENSIONS: 56x10x0.8mm / 63x10x0.8mm / 70x10x0.8mm COLOR: Silver NOTE: 1. Package content includes only the items listed above, excluding any other products. 2. Size measurements are manually taken; please allow 1-2 cm variation. 3. Due to differences in display screens and lighting conditions, the actual item color may vary slightly from the image shown.