Mesh back chairs tilt, fold, stack and nest for use in breakrooms, meetings and more. Articulating back lets you lean back for added comfort. Plastic back frame is upholstered with nylon mesh fabric for breathability. Plywood seat is cushioned with foam and upholstered in fabric so you can endure long meetings better. Nesting chairs also include padded armrests, glides and 55mm dual-wheel hooded casters. To nest, simply flip up the seat for compact storage. Frame is made of metal. Seat measures 18-1/2" wide x 16" deep. Back size is 19-1/4" wide x 15-1/2" high. Weight capacity is 250 lb.