【Package】You will receive 6 metal collar stiffeners in 3 sizes, with 2 pieces for each size. This size and quantity are perfect for your daily needs. 【Material】These shirt collar stiffeners are made of high-quality stainless steel, rust-proof, resistant to bending or breaking, sturdy, durable, and reusable. They are compact and lightweight, making them easy to carry and use. 【Design】The shirt stays for men come in 3 different sizes: 55.8x10x0.8mm, 63.5x10x0.8mm, and 70x10x0.8mm. Choose the right length to fit various shirt and dress collars for a perfect fit. 【Function】Polo shirt collar stiffeners help keep the shirt collar straight, giving you a polished look. Shirt stays ensure you maintain a neat, clean, and professional appearance on important occasions. 【Practical】Men's collar stays will not damage your clothes or leave stains. They make an affordable and thoughtful gift for your father, husband, friends, or family.