PRODUCT DESCRIPTION The Butler Creek Flip-up Eyepiece Lens Cover is designed to provide premium protection for your scope, keeping your optics free from dust and moisture. Featuring a watertight friction mount and semi O-ring, this cover ensures a secure and durable fit. The ocular lens cover is equipped with a large push button, enabling quick and easy spring-loaded opening, so your optics remain shielded until the perfect moment for the shot arises. This lens cover is ideal for both hunters and shooters, offering ultimate objective lens protection. With its custom fit, it creates an airtight and watertight seal that opens effortlessly with a touch of your thumb, allowing you to make that critical shot even in extreme conditions. The fast, flip-open design features a silent hinge that keeps you focused on the target without alarming the game. Lightweight at less than an ounce, this cover has been rigorously tested to withstand temperatures as low as -40 degrees, ensuring reliability and performance in harsh environments. FROM THE MANUFACTURER The Butler Creek Flip-up Eyepiece Lens Cover represents the pinnacle of scope lens protection for hunters and shooters. Custom-fit to your scope, it provides a secure, watertight, and airtight seal that opens swiftly with the touch of your thumb, enabling precision shots in the most demanding conditions.