A Paper Holder that fits inside the IKEA Kallax shelving units! Keep your favorite card-stock and paper organized in a Stamp-n-Storage Paper Holder. Available in the original 12-Slot and 15-Slot versions. Both versions share the same overall cabinet size; the 12-Slot provides larger slots for storing more paper and the 15-Slot has more individual compartments to maximize your different 12x12 paper colors. You'll also have the flexibility to store your paper horizontally or vertically and each paper storage divider can be removed, except for the center one, to make room for larger stacks of paper. There's even an arc cut in the divider to make it easier for you to remove the sheets you'll need next. MADE IN USA!