... to 10mm 2.Good quality with reasonable prize LED Slim guide plates for keyboard, LED BACK LIGHT1,Thickness: 3mm,4mm,5mm,6mm ... ,8mm,10mm,12mm,15mm2, Hight quality Acrylic led panel3, with LED lights or not4, with frame or not5,multi colors Acrylic6 ... customers request.21,Low power consumption / Minimal heat High Brightness LED Backlight