Thesis Training Chair w/Flex Back and Tablet, Max 250 lb, 18" High Black Seat, Gray Base, 2/Carton,Ships in 1-3 Business DaysWriting surface/tablet automatically moves into storage position as user moves.Features flexible plastic backrest for additional seated comfort and gentle recline. WARNING: This product can expose you to Lead, which is known to the State of California to cause Cancer and Birth Defect/Reproductive Harm. For more information go to www.P65Warnings.ca.gov. - Cancer:Lead;;Birth Defect/Reproductive Harm:Lead