CE,TUV,RoHS powder coated,keep 30years for color 3005 aluminum alloy manual,electric,remote control anti-weather,Anti-thelf 1, ... of shutter slat: 32mm, 43mm 8, material of shutter slat: aluminum alloy 3005.9, color of shutter slat: white, gream and ... a 16mm thinckness wooden case which don't need fumigation. aluminum roll ups