AVAWING velvetoffice chair is suitable for cervical curvature, adjustable up and down, suitable for people of different heights. The backrest can be adjusted and locked for a nap while working. The whole chair body can be rotated 360°, and the silent pulley protects the floor to avoid noise. Using high-quality materials, sturdy and durable.<br><br> · Tilt Lock 90-120° Angle Adjuster<br> · Adjustable Height<br> · 360 Degree Rotation<br> · Comfortable Flannel Texture<br> · Sturdy Base<br><br> Specifications:<br> Colors:Gray<br> Material:Velvet fabric<br> Seat Height: 19.6" - 20.8"<br> Seat Dimension: 21"(W) x 18.8"(L)<br> Back Dimension: 20"(W) x 5.9"(H)<br> Overall Dimension: 26.7"(W) X 25.5"(D) X 43.7"-46.8"(H)<br> Max Weight: 250-330 LBS<br> Package Includes:Modern Executive Office&Gaming Chair,Hardware,Manual <br>