The Quick Products RV Under-Step Storage Cargo Box is an excellent storage solution! Intended for use with MORryde StepAbove style entry systems, the storage box fills the hole on the side of your RV previously containing the OE entry steps. The lockable box is perfect for stowing your campsite cables, leveling tools, wheel chocks, or anything else needing an easily accessible storage area. Includes two keys. Capacity: 50 lbs. 1.5 cubic feet of storage.