Butler Creek understands that firearms and optics are investments that are worth protecting. Since the 1930s, Butler Creek has focused on creating scope covers that keep lenses dust free and dry, while still allowing the scope to be used at a moment's notice. Butler Creek Flip-Open Scope Covers are water-tight, air-tight, and designed with silent spring hinges. These custom fit covers anchor to your scope using friction mount technology making installation easy and tool-free. Butler Creek Flip-Open Scope Cover are ambidextrous and available in a variety of sizes, making them the perfect fit for every scope. Also available: Butler Creek Flip-Open Objective Lens Scope Cover, Butler Creek Multiflex Objective Lens Cover, Butler Creek Multiflex Eyepiece Cover, Butler Creek Bikini Scope Cover, and Butler Creek Tini Bikini Scope Cover.