The Butler Creek Flip-Open Scope Cover Size 31 Objective delivers unmatched scope lens protection for hunters and shooters, featuring a fast flip-open design that keeps your eye on the target while you snap into position, silent spring hinges that wont spook game, and water-tight custom-fit friction mounts that secure the cover to your scope. Built like a precision accessory, the airtight semi-O-ring seals out dust and moisture, preserving lens clarity in extreme conditions and temperatures, with tests confirming reliable performance down to -40F. Truly ambidextrous and weighing less than an ounce, this cover in classic black from the Philippines combines compact, durable construction with effortless operation, ensuring quick access when opportunity presents itself. Designed for a manufacture size of 31, it offers a compatibility-focused solution that respects the integrity of your optic and preserves field readiness in demanding environments. Whether stalking in rain-soaked terrain or buzzing through a dusty spectrum of light, Butler Creeks scope cover delivers reliable protection, swift deployment, and enduring usability, making it an indispensable accessory for serious shooters who demand protection without compromising speed or stealth.