We are specialized manufacturer and exporter for computer case in China. The advantages of our product are following: 1) SECC-A grade material 2) Thickness is 0.45mm 3) Chassis size is 390 x 180 x 410mm 4) Packing Size is 475*455*220mm 5) Gross weight: 4.5KG Net weight: 4KG 6) Available in various colors : Black red , Black silver, Silver white, ect 7) Full strong structure