Foremost 340006 Modular 6-in-1 Shelf Cube Storage System, Black Frame is made of solid wood making the cube sturdy for maximum durability Each panel is finished with PVC laminate Hollowcore construction makes the cube weigh 50% less then traditional particle board Unlimited combination options so you can create exactly the system you need Customize-able modular storage great for closet organization, offices, craft rooms and entertainment centers Easy and versatile assembly and installation