This is a set of 30 CD cases from TOWER RECORDS, designed to hold one CD each. These are genuine (official) products. External dimensions (mm): 128 x 146 Material: Polypropylene * Each case can hold one CD set. * It can also store the jacket, obi strip, lyric sheet, etc., making it convenient for organizing and storing. * The size is almost the same as a regular CD case, so it can be stored in racks, etc. * The disc and jacket can be placed in separate pockets. * The title strip serves as an index, making it convenient for searching. * Compared to regular CD cases, it saves space by about 1/4 to 1/5 in thickness for storage. Although unused, the product has been opened, so please refrain from purchasing if you are sensitive to this. Price negotiations are not possible. It will be shipped via Yu-Packet Post.