The Really Useful Box Organizer Clear comes with 16 boxes of .14 liter capacity and comes with 4 Liter organizer that can hold all the 16 boxes in places. It also comes with the hardware including screws holes, nuts, etc., required to mount the set onto a wall. This organizer can stand independently or mounted onto a wall. Also, the boxes are removable and can serve as individual storage units. Ideal for storing desk essentials including business cards, office stationery, pens, crafts items, and more.