The small front or rear ATV cargo box boasts 2.26 cubic feet capacity, Large Rear ATV Cargo Box boasts 4.2 cubic feet capacity. It is made with ultra durable Polyethelene with UV stabilizers to provide easy cleaning and protection from the sun. The lid seals to the box with a robust rubber seal that keeps the dust and water out. Two heavy duty, locakble latches keep it closed and secure. This is a universal fit box, meaning there are no holes drilled in the bottom for mounting, so you will need to drill the holes and mount the box to your ATV. It comes with four U-bolts with nuts and washers for mounting.