The Black Tri-Fold Color Keeper certainly packs a punch! Included in the package is one tri-fold marker holder by Totally Tiffany that will hold 54 pencils, 36 pens or 18 markers. The package also contains a clear plastic liner and a color guide strip. The organizer will fold in three positions; triangle, A-base or flat. If you have limited space in your creative area, simply use the organizer in a triangle position. The measurements are closed 8? x 7.5? x 2?, open triangle 7? x 7.5? and A-framehorizontal 21? x 7? x 3?.