"MEDIUM - Carries 11in and 12in wide panels or stretched canvases. Measures 12in across by 18in deep. Includes free shoulder strap and all accessories needed to carry the following sizes: 8 - 9x12 panels or 4 - 9x12 stretched canvases, 4 - 11x14 panels or 2 - 11x14 stretched canvases, 4 - 12x12, 12x16 or 12x18 panels or 2 - 12x12, 12x16 or 12x18 stretched canvases.Guerrilla Painter Wet Painting Totes. A great solution for carrying wet paintings in the field. Theyre economical, lightweight, extremely well constructed and versatile. "