"elastic fabric, durable and sturdy artificial leather, nylon smoothing rolling wheel, wear-resistant wheels to protect your floor, easy to move, removable headrest, lumbar pillow one installation instructionone set of gaming chairhome; office; meeting; libraryOther Tips1. All measurements are made manually with a possible deviation of 1-3cm. 2. We provide after-sales service for the products free of charge. After receiving the package, if there are any problems during assembly or use, please feel free to contact us.Our customer service will answer you within 24 hours, solve the problems you encounter, and give you a satisfactory solution."