DENALI Slip-On Blackout Covers keep your bike street legal in states that require aftermarket lighting to be covered on public roads. Once you get to the trails, slip the covers off of your DENALI S4 lights and go. The rugged silicone construction of the Slip-On Covers protect from rocks and other debris, providing an even longer lifespan to your DENALI S4 lights. What’s In The Box? (x2) Slip-On Blackout Covers for S4 LED Lights