... -2,CEM-1,CEM-3 Board Cutting Max. number of layers 8 Min. thickness for inner layers (Cu thickness are excluded) 0 ... 0.0008” (0.02mm) Aspect ratio 20(5:1) Solder Mask Color green,light green,white,black,dark brown,yellow,red,blue Min ... packaging If you are confused with pcb,kindly contact me for more details! 1.6MM Thickness ,LED car light,FR4 Single Sided PCB