The M-Series retractable truck bed cover provides you the security of a hard cover, smooth appearance of a soft cover, and convenience of a retractable cover. Its durable vinyl-over-aluminum hybrid cover design is dedicated to four season protection and optimal bed security. It tackles durability while remaining exceptionally easy to operate with its unique frictionless construction and insulated grip lever. Simply use its key to unlock the cover and begin to open towards the cab as it retracts into its compact canister. The M-Series can open, lock and close without even opening the truck's tailgate and locks in multiple open positions. Checking the box for unmatched convenience and quick access to your bed and gear. Roll-N-Lock's M-Series retractable truck bed cover has a quick and easy install, and backed by a 3 year warranty.