SMARTlll Deck Cover SDV is designed to be a sporty and smart deck cover. SDV's key features include side-vents, smart two-step lift up mechanism (45 and 180 degree), non-drill clamping system, and high quality security locks. For perfect security, SDV Cover is designed to overlap the tailgate. So with unique looking and all the functional features, SDV will surely be the best gift for you and your pick-up.