A Guerrilla Box can store four Pastel Trays beneath the sliding palette, or carry two in either the front or rear section. The sliding palette holds the lids in place when stored. The Pastel Tray will hold assorted sizes including many larger diameter and handmade pastels. Foam is removable for easy cleaning. Includes foam-lined lid. Made of extra durable, double thick, high-impact polystyrene and medium-density foam. Exterior dimensions, 11-7/8in long, 4-1/8in Wide, 1-1/4in deep.