12 Propane Cylinders 16 oz per Cylinder This product is hazardous/flammable and not returnable Pre-filled propane cylinders with quality steel construction, a stable base and reliable valves provide safe and easy-to-use operation. Cylinders are a universal size and fit all standard portable propane appliances, tabletop grills and propane torches.Propane 16.4 Oz Camping Cylinder (12 Pk.)