... for special application environment, they are not only used in the Laundry, but also in severe environment such as high temperature ... Fiber Size option: Diameter 16/20/25mm easy installed on the clothes Protection Rate: IP67, IP68 Two times Injection moldingTemperature: -10°C ... /4100 Application: Widely used in Laundry. Waterproof, Anti-dust, Corrosion protection washable button tag