Contains 4 pack cedar grilling planks; plank recipe book; 1 alder smoker bag; 1 hickory smoker bag * Grilling planks allow food to roast slowly on your charcoal or gas grill; planks can be used two or three times before discarding, * Submerge planks in water for at least 30 minutes prior to use Each plank measures 6-inch by 13-inch by 3/8-inch * Place food inside aluminum bag and place on grill or coals; hickory and Alder