* Assembled Unit Dimensions: 13.12" wide x 13.12" tall x 15" deep * Each of the 13 storage spaces measure: 12.38 inches wide, 15 inches deep, and 0.87 inches tall. * Compatible with IKEA Kallax shelf cubes. * Easy to assemble, no tools or hardware required. * Ideal storage solution for: ---> scrapbook paper ---> bound or sheet music ---> gift bags, tissue paper, and gift boxes ---> Print-and-Play board game sets and pieces ---> shipping supplies ---> vinyl records ---> school work ---> pretty much anything else flat that you struggle to keep organized. * Made and sold in the USA by small-business seller. This shelving insert is made to nest inside cube shelving and includes a total of 14 laser-cut wood pieces made from 1/8" thick tempered hardboard. It is designed specifically to be compatible with IKEA Kallax shelf cubes, but can be compatible with others depending on the size of your cube shelf at home. The 12 shelves plus a space below the bottom shelf provide 13 storage slots that are 12.375" wide by 15" deep by 0.87" tall. Shelf dividers can also be left out when a taller shelf space is desired. Ships unassembled but assembles easily with no tools, glue, hardware, or skill required. Instructions included. Each set is made in the USA by a small, family-owned/operated business in West Valley, Utah.