Coated papers provide crisp, sharp results in sharp contrast with a smooth, slick look between the printed image and white space. A coated surface gives excellent image canvas with fine detail, providing better contrast between the printed image and the white space (known as ink snap). These are often used in high-end product catalogs and magazines that need "glossy" or "shiny" optics.
Coated vs. Uncoated Paper
The main difference between coated and uncoated paper is how the paper is made. Coated