MINNESOTA - The Upgrade Men's Shirt Stays are made of high elastic nylon/polyester and spandex material, flexibility and skin-friendly. They won't irritate your skin even on hot summer days. They are perfect for formal, professional suit or dress and daily shirt. The clips are very strong, they are not easy off, can be used for the thick and thin shirts. The clips with plastic teeth firmly grip your shirts all day without damaging them. Our men's Shirt Tucker are made with elastic material that is comfortable to wear all day long, so you can enjoy a sleek, polished look without any discomfort. Compared to Other designs in Market, our's has all the 3 straps from 1 side, making it comfortable to sit all day.