The Biggest of all the retail Barbqubes® one of these cubes will provide the longest burn time and most smoke profile of all the Barbqubes®. 6 cubes per bag, one will smoke for 4:30 hours, one bag provides 24 hours of cook time on avg. A 100% all natural product Barbqubes® are binder free, all natural wood species listed. Add one and done. Simple, no soaking, no mess, no hassle barbqubes for smoke flavor. This product is a natural apple wood from the orchards of SW Central Michigan, USA.