Make sure this fits by entering your model number. ✔SUITABLE FOR GAMING AND WORKING：AutoFull is dedicated to making the best gaming chair and creating the most perfect game experience for pro gamers.Dimensions: 19.7"(L) x 21.3"(W) x 47.2"-50.4"(H); Sitting Area Dimensions: 15.3''(L) x 19.7''(W) ✔ERGONOMIC DESIGN:45° sideways rotatable and 2.8'' height adjustable armrest,ergonomic U-shaped armrest surface is wrapped in soft PU, which perfectly supports the elbow. Equipped with a 3D bionic modeling lumbar pillow, which fits the curve of the lumbar spine and gives you a more comprehensive support for your waist.