Features: 1.High quality canvas, good wear resistance, tear resistance, long service life. 2.The cover and the bag are connected by a Hook-loop, and the connection is firm. 3.The compartment design, the reverse compartment with zipper, can be placed in small items, such as: rubber eraser, keys, etc. 4.Handle design, easy to use, 36, 48, 60 models are equipped with handles, easy to use. 5.Black, smudges are not easy to show during use.specification:Feature: High quality canvas, good wear resistance, tear resistance, long service life. The cover and the bag are connected by a Hook-loop, and the connection is firm. The compartment design, the reverse compartment with zipper, can be placed in small items, such as: rubber eraser, keys, etc. Handle design, easy to use, 36, 48, 60 models are equipped with handles, easy to use. Black, smudges are not easy to show during use.: Material: Canvas Color: Black Storage capacity of pen: 12; 24; 36; 48; 60; 72; 48(small size); 80(big size); 60(medium size)(Optional) Package list: 1 * Markers Pen Case Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product.