Midwest Hearth 100% Natural Charcoal Starters for BBQ Grill and Barbecue Smokers (48 Squares) 100% NATURAL - No toxic substances, odorless and tasteless, will not flavor food. FAST LIGHTING - Lights within 1/10th of a second. Lights even when wet. LONG LASTING - Each square can burn approximately 10 minutes. Only 1-square needed! BEST RESULTS - Use with lump charcoal, hardwood charcoal, and briquettes. MADE IN USA - Quality made in America.