CHICAGO (CBS) — Two words: Free Slurpee.

On Tuesday, July 11 (also known as 7/11 or 7-Eleven Day), customers can stop into particpating stores and score a free Slurpee.

The deal is good from 11 a.m. to 7 p.m.

The retailer is also asking fans to post pics of their free drink, using the hashtag #7ElevenDay.

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