Roll-N-Lock M-Series is the most advanced retractable truck bed cover made, has redefined the rules for truck bed security. From its retractable function, which permits opening or closing in seconds, to its rigid, vinyl-over-aluminum laminated construction, this hybrid cover offers everything other covers do not. There are no snaps to manipulate, there is no roll or bundle to lash down or stow, no cross bars to negotiate, no fabric shrinkage to struggle with and, best of all, no worries about the security of cargo. The Roll-N-Lock retractable bed covers by far the most sophisticated and versatile truck bed cover made.Warranty Information:3 Year Limited WarrantyActual Color: BlackColor: BlackDrilling Required: YesFront Opening: NoFull Bed Access: YesKey Lockable: YesLow Profile: YesMaterial: Vinyl/AluminumPaintable: NoRails To Install: NoSits on Truck Rails : YesStyle: Retractable Hard CoverWARNING CA Proposition 65: YesWARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.Works w/Toolbox: No