Gas cans or Jerry cans, are used to control flammable vapors and provide an easy way to dispense and store up to five gallons of flammable liquid. Made of metal, these cans can hold gasoline, kerosene diesel and other types of combustible fluid. Check our selection of 2-gallon and 5-gallon cans plus accessories like spouts, gaskets and can holders. If you're looking for other safety storage items like safety cabinets, disposable cans or aerosol can recycling equipment, we've got those too!.