The picture on shows just for your reference but not for sale. Transparent windows of are the ideal option to add to your graphic overlay or front panel when you need to view what is behind it, such as an LCD. Windows may be printed with a transparent color or left clear according to your aesthetic preference. A coating may also be added to protect and seal the display window, eliminate glare and reduce eye fatigue. 1) Printing:1-6 colors or more printing 2) Materials: PC, PVC, PET etc. 3) Can manufacture according to client's design 4) Strict quality control, with IQC Printing technic includes obverse and reversed printing, which are used respectively for membrane panel of different material and types. Membrane panel can be separated into dish press and plane. 1.The dish press is mostly membranepanel design. Shapes of the dish press include words and signs raised in the center (words, picture or keystroke), spherical rise , and edge rise (linear rise). 2.The plane has no dish press. It can be used as senseless keystroke membrane of membrane panelor only as a kind of decorating, indicating and instructing label. The membrane has sand surface, glossy surface and combined type of the two kinds.Sand surface is mostly made through printing on sand-surface material, which has much hand feel, is nice and common.Glossy surface is made through printing on glossy material and it is quite shiny. The combined type between the sand surface and the glossy surface has not only sand effect but also shiny effect on the membrane surface. The main manufacturing technic is to print sand oil on the obverse surface of the glossy material to make it have sand effect.