RollBak G2 is an all aluminum, heavy duty retractable tonneau cover. The RollBak is made 100% in the USA and is built to last! From top of the line powder coated finishes to an impat resistant canister to being felt lined underneath, the RollBak is one heck of a tonneau cover. It glides on teflon rails which are self adjusting in width to ensure perfect retractable action. The RollBak G2 has a dual latching system for awesome security and has the capability to be latched in incremental positions, making it the choice of 5th wheelers or anyone that needs to cover partial increments of their truck bed. The ROllBak boasts aluminum slats that are a full half inch thick. If you're looking for a super tough, industrial strength cover, the RollBak ranks as one solid contender!