SCOPECOAT X-LARGE SCOPE COVER15.5"X60MM BLACKFEATURES-Black-Large-15.5" x 60mm-Designed to fit scopes with standard or "low" turrets-Safeguards your optics from dust, dirt, dings, scratches, & moisture-High quality neoprene/nylon laminate-Scopecoat stretches to custom fit to your optics while providing maximum protection-The standard Scopecoat covers can stretch approximately 1" to 1.5" beyondthe stated size*To choose the right size Scopecoat, measure the overall length of your scope in inches & the objective lens in millimeters