... . material: the product made of hight quality silicone.2. low/heat resistance:-25°C-250°C.3. Buttons ... ,smooth, flexible, non-stain and water –resistant etc.5. it’s key never fall off and fade or ... change colour.5. the product was used for various electronic product, ... ,electrical appliances, computer, mobile phone, machinery etc button on the facility. silicone push-button