This Supply/Palette Box features a removable 10" x 12" tempered glass palette, which offers a spacious area for mixing oils and acrylics. The palette tray slides forward to reveal three large compartments. Two 3.75" x 12" compartments can hold a large quantity of paint tubes. The smaller 2.5" x 12" compartment can hold a large assortment of brushes and palette knives. Two 6" x 10.5" folding brush holder accessory trays keep all your brushes, brush cleaner, and other supplies within convenient reach. The folding trays also serve as a palette cover.