10-year guarantee ,bayer materials,good quality ,good offer PC sheetFeatures:1) Light transmission: up to 88%2) Impact resistance: ... ,8mm,10mm,12mm,14mm,16mm ,18mm. Also with twin-wall and triple-wall about 12mm,14mm,16mm,18mm4) Color: clear, lake blue ... ) Instrument and war industries - windscreens, army shields\ electrical parts etc pc sheet