... with a special protective treatment, with the dust self-cleaning function providing a very primitive, simple sophistication.Detai information ... ChinaColour forGrey, black, yellow, dark grey, green, redish, white and so on.Colour for slateBlack, green, grey, rusty, wooden ... S-shape Z-shape rectangular shape black color yellow-white color used for wall decoration cartons packingwooden crate packing ...