Free Slurpees at 7-Eleven July 11 Food & Drink Jun 062012 If you're new here, you may want to subscribe to our free daily newsletter. Thanks for visiting!For a frosty treat, participating 7-Eleven stores are offering free Slurpee drinks. The offer is 11 a.m. to 7 p.m. July 11 — aka 7-11. The free Slurpees, while supplies are available, are 7.11 ounces. If you enjoyed this post, make sure you subscribe to my RSS feed! Comments are closed.