The contoured design of our super-sturdy stacking chairs guarantees years of comfortable classroom seating! Heavy-gauge steel frames & colourful legs are specially designed to resist tipping, while the non-marring, self-leveling glides give maximum stability. Plus, the easy-to-clean polypropylene chairs even stack for storage. Lifetime warranty. Specify colour: blue, yellow or red. For help matching chair sizes to tables, please see the size chart. All chairs come assembled!