The National Public Seating 8210 music room stack chair has been designed for maximum breathing capacity. The chair is designed with a seat-to-back angle of 97 degrees. Constructed out of Black durable polypropylene with a contoured seat for comfort. The 8210 music room stack chair has a 300 lb. weight capacity. Frame is built with 7/8", 16-gauge square tubing. This chair has non-marring polyethylene glides to prevent floor scratching. Available at a great price, shop Central today!