push button membrane switch keypad with 3m adhesive 1.made of PVC, PC,PET, ... a big manufacturer specializing in push button membrane switch keypad with 3m adhesive ,membrane switch, membrane panels, overlays and flexible printed circuit ... + LED light + (Connector) + double-side adhesive→tactile/not tactile→metal/poly dome→Embossment→smooth/matte push button membrane switch keypad with 3m adhesive