The BakFlip VP is actually an all aluminum tonneau cover (both top and bottom surfaces), but covering the top aluminum surface, is an incredibly rugged DURABAK vinyl. The combination of a the vinyl covered aluminum makes this tonneau cover the strongest, most impact resistant folding tonneau cover on the market. You won't scuff or ding the BakFlip VP, and can really put it through the ringer and expect it to come out looking great on the other side. In addition to the super robust nature of the BakFlip VP top surface, one thing that will jump out at you is the fact that this folding truck bed cover has no visible hinges at all. In fact, the BakFlip VP sports a super clean, homogenous, one piece look and feel to it that is really first class. The VP is amazingly aerodynamic and without question, the most water-tight folding tonneau cover in the industry too. The BakFlip VP performs outstandingly well when it comes to snow, rain, ice and hail. It does equally as well in hot climates too. The Vinyl cover on the BakFlip VP also ensures that the tonneau cover remains cooler to the touch than aluminum and even fiberglass. The BakFlip VP also offers full access to the truck bed. It operates easily from either side of the truck and is actually a little lighter than all other BakFlips, because it sheds the weight of the necessary aluminum framing on the rest of the BakFlip family.