The 4" Petite Cylinder with The City Bonfire insert provides a robust flame for outdoor use. The City Bonfire unit consists of 100% nontoxic FDA food grade soy wax and 100% biodegradable, compostable plant-based briquettes in a recyclable steel tin. The flame is "food safe", so feel free to make s'mores with family and friends! The Petite Cylinder is an acid-washed, dark grey concrete fire pit that measures 7" wide by 5" tall.