... limited PC hollow sheetMaterial: 100% Pure Makrolon Material, Micron 50 anti-UV coatingThickness: 4.0/6.0/8.0/10.0 ... /Brown PC solid sheetMaterial: 100% Pure Makrolon Material, Micron 50 anti-UV coatingThickness: 2.0/3.0/4.0/5.0 ... 2x20'Usage:Skylight, Commercial building, Greenhouse, House, Carport, Bus station, Anti-bullet shield, Awing, pass way and etc., Solid PC sheet