The Union Stacking Chair is perfect for modern trade show booths, lobbies, offices and conference rooms. They feature an ergonomically contoured design with an air-vent back, curved arms and silver powder coated metal legs. They support up to 551 lbs and can be stacked up to 5 chairs high. This modern guest chair is designed for indoor/outdoor use and is rated for commercial use. Non-marring plastic floor glides protect hard surface flooring. The Union Chair ships fully assembled and comes with a limited lifetime warranty.