This box is made from durable, scratch-resistant polypropylene plastic and has three inner trays that stack when the box. When open, the trays can be unfolded so that supplies are easy to view and easy to reach. The outside of the box is rough and textured and the smooth inside surface allows easy cleaning. Trays are transparent gray and made from X-T tripolymer, which is resistant to stains and oils. The tray compartments are sized to accommodate brushes and paint tubes. Box measures 14.5 x 8 x 7 inches.