... .5x4cm,thick 0.8mm Aluminum LED light reflector from 2 to 21", light cup, light coverFeatures: Material1070 O Thai aluminum,1080 ... ,duraluminThichness0.5mm to 1.5mm Size 2" to 21" Surface Treatment annodized,polishing,chrome plated,painting,and so onAdvantages1) ... welcome Usage:AR111,MR16,halogen light,LED light,metal halide light,spotlight,downlight,lampshade,and so on., LED light reflector with RoHS