Made of highly reflective smooth mirrored aluminum. Comes unassembled in a shipping carton that is only 22 in long x 11-1/4 in wide x 4-1/2 in high. Makes for easy storage and shipping. Assembled reflector dimensions: 22 in long x 21-5/8 in wide x 6-1/4 in high. Comes complete with all hardware for assembly. Pre-wired socket and 15 ft lamp cord.