Nesting Chairs can be used anywhere additional seating is required in conference rooms, auditoriums, class rooms, impromptu meeting spaces and more. Simply fold down the seat and use. No need for expensive chair carts for storage. These chairs nest for easy transport on swivel casters. Arms are integrated into the design. Plastic 19-1/4" wide x 8-1/2" high back is contoured and ventilated for comfort. The 17-3/4" wide x 17-3/4" deep seat is contoured for form-fitting comfort. Seat is 18" high. Each nesting chair holds 250 lb. and features chrome legs and four 2" swivel casters. Frame is made of steel.