... Poly dome membrane switch 1)poly dome,tactile, glossy 2)water,dust,gas resistant 3)with clear window, with pin and connector Features of our poly dome membrane switch ... PET (polyester)5) Key type: embossed key, poly dome, tactile6) Surface treatment: screen print, glossy ... key, tactile or non-tactile, poly dome or metal dome for your choice4) Surface treatment: ... 90%RH. Poly Dome Mylar Membrane Switch