This Guerrilla Wet Painting Carrier 12x16 can hold 12 wet Panels or four stretched canvases, or carry a mixture of both. The removable dividers allow you to change from panels to stretched canvases. The Panel Adapters allow you to carry smaller panels as well. Made of strong, lightweight wood laminate with an exterior grade penetrating finish. Joined with exterior glue and stainless steel screws to prevent rusting. Harness leather handle.