The Butler Creek Flip-Open Scope Cover Size 25 Objective delivers the ultimate protection for your scope, engineered to custom-fit your model and create a watertight, airtight seal that allows you to take precise shots through the narrow window of opportunity in extreme conditions. This sleek accessory features a fast flip-open design that keeps your eye on the target, a silent spring mechanism to prevent spooking game, and water-tight friction mounts that anchor securely to your scope. An air-tight semi-O-ring guards against dust and moisture, while performance tests confirm operation in temperatures as low as -40F. Truly ambidextrous in use, the cover weighs under an ounce, ensuring it wont affect balance or handling. Manufactured in black for a discreet, durable profile, this Size 25 objective cover is designed for hunters and shooters who demand reliable protection without bulk. Simply, it combines rugged protection with quick, one-thumb access, helping you preserve lens clarity and extend the life of your optics in the field.