Way Basics Eco 2 Shelf Chelsea Bookcase and Cubby Storage, Black (made from sustainable non-toxic zBoard paperboard) IT'S NOT WOOD; IT'S BETTER - Made with durable zBoard recycled paperboard, eco friendly, non-toxic and free of formaldehyde and VOC LIFETIME GUARANTEE - Happiness with product and service promised by our CEO and founder TOOL FREE ASSEMBLY - Easy to assemble, no tools required, just Peel the 3M Adhesive strips and put together with easy-align pins; 3M industrial Adhesive securely builds unit STRONG and DURABLE - Maximum load 30 lbs (recommended); Must be used right side up as shown Interior (Small Sections) (inch): 11.2 x D x 11.8 W x 11.2 H; Interior (Large Sections) (inch): 12.0 D x 17.9 W x 11.2 H; Exterior: 12 x 32.1 x 24.8