McDonald’s is giving away an 18-karat gold, gem-encrusted ring version of its classic Big Mac sandwich.

This seven-layer, stackable ring is called the “Bling-Mac,” and Cosmopolitan reports that it’s worth upwards of $12,000.

McDonald’s announced the contest via Twitter on Wednesday.

For a chance to win, social media users must tweet out to McDonald’s their love for the Big Mac by using the hashtag, #BlingMacContest.

The contest is from Feb. 7 until Feb. 14.

This McDonald’s promotion comes with the launch of three different Big Mac sizes: Grand Big Mac, Big Mac, and Mac Junior.

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