The Metaphor is a premium level training and school classroom chair. Made in the USA by Virco and complete with a ten year commercial warranty. It has the international Greenguard rating and is Indoor Air Quality Certified. It features a full perimeter, heavy duty, commercial grade chrome frame with a reinforced, ergomomically designed polypropelene shell and self levelling chair tips. It also stacks 10 chairs high perfectly. Also available in a chair + desk combo.