The original gel fuel that crackles just like a real fire! Each can burns up to two-three hours long over 3,000 BTUs. Although not designed as a heating source, Real Flame gel fuel does provide warmth. Robust red, yellow and orange glowing flames. Best of all, there's no messy ash or soot to clean up! Environmentally friendly, non-toxic and safe to burn indoors or out. Real Flame fuel is pure gelled alcohol that is safe and tested for use in ventless gel fireplaces and related products. Made from premium ingredients, Real Flame gel fuel is the leading brand in the market. Can Size: 16 oz each can (13 oz of fuel/can) 4" h X 3" dia. Package Size: 14" x 8.5" x 10.5"