... Coating, Embossing, Embedded LEDs, UV glossy/matte/textured, EL,LED backlingt,rubber keypad etc.The main properties of custom design ... high lifespan, membrane switches design and manufacture are using the keyboard as a whole way, whether on the material or mold ... any intermittent problem.7. Customized specification is available and keys can make different shapes.Products show: membrane tactile keypad ...