100% natural ingredients: pure quebracho hardwood & a pinch of vegetable starch. NO chemicals or toxic ingredients – borax, nitrates etc – 2x the size of typical briquets for maximum performance. Taste-enhancing aroma & flavor – incredibly long, hot burn. No acrid, unpleasant smoke or harsh chemical odor. Extremely low ash production. Won’t spark, pop, or snap. Waterproof, resealable packaging with side carry handle.