Sumo Folding Desktop Cubes are the perfect addition to any cubicle, desktop or dresser. They are made from sturdy quality cardboard and covered in a non-woven, durable fabric. Sumo Desktop Cubes are highly durable, fold flat and can hold a bunch of your stuff. They fold flat or set up in a matter of seconds and are at home in a kid’s room, college dorm or office cubicle! One-Year Warranty