LIFETIME GUARANTEE. Happiness with product and service promised by our CEO and FounderSAFE AND ECO. Made with durable zBoard recycled paperboard, non-toxic and free of formaldehyde and VOCTOOL 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 30lbs (recommended)INTERIOR DIMENSIONS (INCH): 8.5 Depth x 15.1 Width x 2 HeightEXTERIOR DIMENSIONS (INCH): 9.3 Depth x 16.7 Width x 5.5 Height