DocuPocket Stackable Four-Pocket Wall File, 4 Sections, Letter Size, 13" x 4", Smoke, Ships in 4-6 Business DaysStackable units connect easily.Compatible with EZ Link Partition Brackets (sold separately).Mounting hardware included. WARNING: This product can expose you to chemicals including Carbon black, a chemical known to the State of California to cause Cancer and Bisphenol A (BPA), a chemical known to the State of California to cause Birth Defect/Reproductive Harm. For more information go to www.P65Warnings.ca.gov. - Cancer:Carbon black;;Birth Defect/Reproductive Harm:Bisphenol A (BPA)