Emeco has been making their aluminum Navy Chairs using a unique 77-step process since 1944. Given the 150-year warranty, chairs produced for battle in WWII are still under warranty today. That's shelf life. As a plus, the chairs are beautiful -- simple, clean, and three-times the strength of steel. Use four next to a dark wooden table or add a polished one to your office for some punch. Either way they will add an industrial element to your office or apartment.