And according to this article: http://www.wesh.com/news/its-free-slurpee-day-but-waittheres-more/40450718
On Monday, 7/11/16, enjoy a free small Slurpee between 11 a.m. and 7 p.m. But that's just the beginning.
Slurpee Week kicks off Tuesday, and that means when you buy seven of the cool drinks with the 7-Eleven app, you'll get 11 Slurpees free.
The offer is available 7/12/16 through 7/18/16 to members of the 7Rewards Program and only at participating 7-Eleven stores. Check out the app for more details.