Product dimensionsTested for: 242 lb 8 ozWidth: 23 1/4 "Depth: 25 5/8 "Tested for: 110 kgWidth: 59 cmDepth: 65 cmThis product requires assemblyGood to knowComplies with California TB117 flammability requirements.This chair is tested and approved for home use.This work chair is durable, safe to use and contains no harmful chemicals. We know this because we have tested it according to the following standards: EN 12520 and EN 1022.The casters lock automatically when the chair is not in use.These casters are designed for soft floors. May be used with KOLON floor protector