Silicone Watch Straps are the best quality and have the most reasonable price. bright-dg patent silicone Watch Straps made of Silicone are unique and differ from others. A silicone watch strap is a type of watch band made from silicone, a synthetic rubber material. Silicone straps are popular due to their durability, flexibility, and resistance to water and sweat. They are often used for sports and fitness watches, but can also be found on fashion watches. They are also easy to clean and maintain, and often come in a variety of colors.