Silicone O-rings are a type of seal or gasket made from silicone rubber. They are commonly used in a wide range of applications, such as in plumbing, automotive, and industrial settings. They are known for their durability and resistance to extreme temperatures, chemicals, and high pressure. They also have good flexibility and can maintain their shape and properties in low and high temperature. They are also non- toxic and can be used in food and medical industry. They are also UV-resistant and can be used in outdoor applications.