membrane label 1.made of PVC, PC,PET, Sandwich,circuit,3M glue... 2.Beautiful design 3.100% ... ,Membrane Keypad,membrane switch and panel,membrane keyboard,membrane label, PC graphic overlay and flexible printed circuit with the below, →Pressing ... + LED light + (Connector) + double-side adhesive→tactile/not tactile→metal/poly dome→Embossment→smooth/matte