The storage box with lid is made of PP+ABS material and has no odor. Can hold up to 150 lbs. With wheels on the bottom, you can move the plastic dormitory storage bin easily. Storage box: 23.6 inches long * 14.3 inches wide * 13.4 inches high. There are 3 large plastic storage bins, each holding 19 gallons. Foldable storage boxes with wheels are made of durable and strong plastic material, making the storage compartment more load-bearing. Unlike regular soft plastic lids, this bin comes with a sturdy wooden lid. You can place various things on it, such as tables. Collapsible storage containers with lids require no tools or complicated installation. It only takes 10 seconds to unfold into a complete translucent storage bag. When not in use, the organizer can be stored under the bed, in a closet or in a small corner of your bedroom, or in the trunk of your car while traveling, camping or outdoors.