Way Basics Eco Stackable Modular Storage Cubes (Set of 6), Green/Orange/White (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 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 Maximum load 50 lbs (recommended); Must be used right side up as shown; Interior Dimensions (inch): 10.7 Depth x 11.8 Width x 11.2 Height