The RetraxONE MX retractable truck bed cover is manufactured from rigid, powder-coated polycarbonate material which provides exceptional performance and phenomenal security. The durable construction provides superior impact resistance and UV protection against just about any climate. The low-profile, stylish, matte finish provides a polished look but also delivers incredible scratch resistance against your toughest jobs. Unlike other covers, this cover is made from one piece of material engineered to retract without joints or hinges that might trap dust, wear out or freeze hindering its mobility. Our patented design and rail seal streamlines the overall appearance and provides dependable, weather-tight protection from the elements. Its canister lies flush with the side rails, completely hidden underneath the cover while maintaining some clearance from the bed. Furthermore, the compact storage container features a unique spiral track system that prevents this hard-cover from scratching or damaging itself from daily use. The cover has a sealed ball-bearing roller system that glides effortlessly along the rail with no need for pull straps, snaps, or springs. Additionally, this cover is key lockable in any position giving you unlimited flexibility and security for your cargo storage needs. The RetraxONE MX is also backed by a 1-year warranty.