Simply the ultimate scope lens protection for hunters and shooters. They're custom fit to your scope, create a watertight, airtight seal and open with a touch of your thumb, so you can put your shot through the narrow window of opportunity in the most extreme conditions.

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• Fast, Flip-Openâ„¢ design keeps your eye on the target.
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• Silent spring hinges won’t spook game.
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• Water-tight, custom fit friction mounts anchor them to your scope.
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• Air-tight semi-O-ring keeps out dust and moisture.
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• Tested to –40°F.
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• Truly ambidextrous.
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• Weigh less than an ounce.
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• Also made for spotting scopes.
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See Scope Cover Measurement Guide here: https://www.butlercreek.com/content/PDFs/scope-cover-measurement-guide.pdf