Butler Creek Eyepiece Tactical Scope Cover (1-Piece), 10-11X Tactical flip up caps Protect your expensive optics from dust Unique one piece design Provide a clear field of view Unique one-piece living hinge design Flexible lid easily folds up for use Keeps dust, dirt and weather off lens surfaces Built for heavy use and reliable in all weather/temperature conditions Tight, flexible collar provides custom fit for multiple scopes