... polycarbonate.Rear Adhesive: 3M 467MP, 3M 468MP, etc.Standard Tolerances: +/-.010 inch.Matching color: Pantone and RAL color matching system.Tail ... /Lens Coating, Embossing, Embedded LEDs, UV glossy/matte/textured, EL,LED backlingt,rubber keypad etc.The main properties of custom design ... make different shapes.Products show: membrane tactile keypad with LCD/LED window