NATURAL RED CEDAR: Made of 100% Red Cedar to bring premium natural quality and flavor to your grill MADE IN THE USA: Sourced, manufactured, and packaged in America. No additives or chemicals! BRING EXTRA FLAVOR: Soak the planks in wine, sake, cider, spices, or seasoning of your choice for 1-2 hours before grilling. Always soak your plank in at least water for safer grilling and to help the cedar grill plank last longer. OUTDOOR ONLY: Use on gas grills, smokers, kettle grills, and ceramic grills. MEASUREMENTS AND CARE: Set of 4 natural grill planks measure 5.5 x 11. Before grilling soak in water for 1-2 hours. Hand wash with warm soapy water after using.100% All Natural Red CedarUse in gas grills, smokers, kettle grills and ceramic grillsEasy to Use, Soak the Plank in Water For 1-2 Hours Before Using.MADE IN THE USA – These planks are sourced, manufactured and packaged in the USA. No additives or chemicals!