Harmony Paper Company Swatch book details the company paper stock into five different categories of paper. Using music as a metaphor or concept to the booklet, each section uses different genres of music into the type of paper most associated with the type of music. Every section contains cut out "cd holders" or pockets in order to place the rounded paper samples as if it were a cd case in a sense. Each category is separated by designed dividers describing each type of paper stock into a musical concept hence, Harmony Paper Company. Read Less