Made of acid-free polypropylene, the Deluxe Super Satchel Boxes have sturdy latches, a carrying handle and two side storage bins with removable dividers. The 6980AB has a large compartment on the top for large supplies such as paper, sketch books and pads, and a divided bottom with four fixed compartments and dividers that can be used to create up to 16 compartments. The 6981AB has a divided top with 11 fixed compartments and dividers that can be used to create up to 42 compartments, and a large compartment on the bottom for large supplies. The 6982AB has both a divided top and bottom with fixed compartments. The top has 11 fixed compartments and dividers that can be used to create up to 42 compartments, while the bottom has four fixed compartments and dividers that can be used to create up to 16 compartments. The 6984AB has a large compartment on the top and bottom without divisions for large supplies. It also has two side bins with dividers that allow for multiple storage options. Each box measures 17-1/4"