membrane label 1.made of PVC, PC,PET, Sandwich,circuit,3M glue... 2.Beautiful design 3.100% testing We are ... panel,membrane keyboard,membrane label, PC graphic overlay and flexible printed circuit with the below, →Pressing life-span is over one million ... times→UV window + circuit + LED light + (Connector) + double-side adhesive→tactile/not tactile→metal ...