Alera Elusion Mesh Nesting Chairs, Supports Up to 275 lb, 18.1" Seat Height, Black Seat, Black Back, Black Base, 2/CartonIdeal for training or conference rooms, or collaborative environments. Flip up nesting seat design for easy high density storage. Molded foam seat for resiliency and all day comfort. Cool breathable mesh back upholstery. Four leg metal base with casters for durability and mobility.