The molded industrial grade black plastic is durable, strong, and resists moisture The breathable mesh back is designed to ensure you stay cool and comfortable throughout the day, letting you focus on the job at hand. The seat is height adjustable, so you can customize it how you like. Arms are stationary in a fixed position Designed with a combination of practicality and good looks, this chair is just what you need to complete your office or home office. 37.75" H x 24.25" W x 24" D