LIFETIME GUARANTEE. Happiness with product and service promised by CEO and FounderSAFE AND ECO. Made from zBoard recycled paperboard, eco friendly, non-toxic, VOC and formaldehyde freeTOOL 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 unitSTRONG and DURABLE. Maximum load 50 lbs. (recommended)INTERIOR DIMENSIONS (INCH): 10.7 Depth x 11.8 Width x 11.2 HeightEXTERIOR DIMENSIONS (INCH): 11.2 Depth x 13.4 Width x 12.8 Height