... 2) Good tactility 3) Custom made 4) PVC/PET/PC 5) Membrane keypad with LED 1) Material: Matte PC (smooth), gloss PC ... + matte oil, gloss PC, PET, and PVC 2) Embossed keys ... , 3M468, 4)Specialize in manufactuing membrane keypad switch: Overlay+circuit+LED+metal dome or poly dome array+connector+double side tape ...