Premium PU and Modern Walnut Style: This home office chair is made of high-quality PU material, which is breathable, easy to clean and also waterproof and wear-resistant. The curved backrest is made of unique curve craftsmanship. Classic shape with elegant lines, perfect for study room, office, meeting room. 360°SWIVEL WITH ROCKING FUNCTION: This armless office chair features a 360° swivel and swing function that allows you to tilt comfortably by pulling out the locking lever to find your ideal position within a 90-135° swing range, Secure with the tilt tension control knob. It also features an adjustable height range of 19.3 inches to 23.3 inches to accommodate a variety of desk heights, ensuring you find the most comfortable seating position. An ergonomic chair for unrivaled enjoyment! RELIABLE STABILITY: Our computer chair comes with a durable black metal base and 5 silent casters, and the frame is made of sturdy solid wood and one-piece steel plate.5 universal casters allow m