Material and performance: Material: PET or PC Thickness: 0.35MM to 0.5MM The lifetime of keypress is over 500,000.00 times, it is waterproof and dustproof. A built-in light emitting diode can be installed on it. The surface is printed with the Xinming R&D nano-scale UV coating, it is anti-scratch and anti-oil. Our products are widely used in the following trades: Home appliances: washing machine, induction, microwave oven, remote control etc. Industrial equipment: CNC lathe, injection molding machine etc. Commercial equipment: cash register, electronic scale, refueling machine,medical equipment.