Lorell Oversize Stack Chair, 500lb Cap, 21" x 25" x 35-1/2", Black (LLR59596) Case of 2Oversized stack chairs are weight tested to hold 500 lb. to accommodate all visitors or participants. 3 1 2" thick seat and back are upholstered in antimicrobial vinyl to protect the product from germ and prolong its life. Seat measures 21" wide x 15" deep. Back size is 20 1 2" wide x 19 1 2" high. Durable, 18 gauge steel frame with four leg base is powder coated in black for durability. Armless chairs stack five high. General Information