The stool features a built in backrest, and adjustable seat height.It is build for durability and comfort. The stool is easy to adjust for different users, a super-strong iron plating five-star base for even more strength. Sturdy construction and durable quality ideal for wide range of applications including general office, hair salons, beauty parlors and bar etc. Modern appearance perfectly blend with office decorations.The stool measures 23.6" x 23.6" x 33.8" Adjustable height from 15.5'' to 21'' to meet your overall needs.The dual wheel casters allow for seamless movement around the room and the seat itself has a capacity of 300 pounds.Built-in lumbar support helps you to avoid back pain by maintaining correct posture while sitting for prolonged periods.Ideal for personalized comfort, the executive chair features a adjustable settings, and curved contours to help keep your back supported and your body properly aligned—an important component when sitting for prolonged periods of time. At the same time, the 360-degree rotation function can rotate freely. Simple assembly and cleaning.