【TOP QUALITY】Our metal stays for shirt collars are rigorously inspected to meet the highest standards of quality. 【RUST-RESISTANT】Crafted from high-grade metal, our collar bones for shirts are resistant to rust, ensuring a pristine appearance even after repeated use. 【SMOOTH EDGES】Each collar stay has a beautiful polished finish. 【DURABLE】This product is designed to last for a long period of time for daily use. Built to withstand daily wear and tear without bending or breaking. The set with 4 sizes includes 10 - 2", 10 - 2.2", 10 - 2.5", and 10 2.7 Inch in a plastic box.