After choosing and buying your desired model, in the next step, it is the brochure of the product which gives you the detailed information on the product including, proper product usage, maintenance, repairing, guarantee… and in one word all the required information about the product. Also, catalogs generally have fewer pages compared to brochures and this allows for introducing more products or services. Catalogs are quite similar to brochures in other aspects. The principles of the visual elements justification, font size, dimensions, etc., in catalogs are significantly similar to page layout in brochures, though it should be considered that contrary to brochures, catalogs often contain more images than texts. A4 cut size is in wider use in catalogs. As for image sizes, like brochures, they depend three factors which are mentioned in brochure section.