4 / Set. Be ready to contain plenty of items with this handy 4-in-1 Storage Box Set. It offers four perfect storage containers for hardware, daily stuff, hand tools, stationery and more in the home office, school and office. The primary color offers a bold background to store and view your supplies. Snap lid secures the contents and swings wide open at the hinge for easy access. When not in use, these sturdy polypropylene storage containers can be stacked into one footprint to save valuable space. The small size measures 5" wide x 7-4/5" long x 1-7/9" high so it can easily be placed into the medium size (5-2/3" wide x 8-2/11" long x 2-1/25" high). Both those storage boxes fit into the large size (6-2/7" wide x 8-7/10" long x 2-2/5" high). All three boxes fit inside the extra-large size (6-9/13" wide x 9-3/23" long x 2-1/2" high).