FLÎKR Fire® is the original isopropyl alcohol personal fireplace, but it doesn't stay stagnant! The design continues to be refined, now resting on a custom milled quartz-like base. With just 5 ounces of 70% or 91% isopropyl rubbing alcohol, you will have roughly 50 minutes of burn time. With soot only where the flame touches (in a ventilated area), no carbon monoxide, and safe