1Built-in small grid, the size of the grid can be changed at will, and the middle spacer can also be removed flexibly. 2Made of high-quality plastic, transparent case for clear identification of items in the box. 3Suitable for pens, pencils, markers, crayons, and other stationery. 4Convenient and practical, easy to carry, easy to use. 5Large capacity stationery case with enough space to hold essential pens.