7-Eleven is celebrating their Buy 1, Get 1 FREE week (September 14th – 20th) by offering a B1G1 FREE Slurpee Drinks of any size! Also, if you have their 7Rewards app, both of the Slurpee Drinks you pick up from this promotion will count towards the “Any 7th Cup is FREE” deal! Simply visit your local participating 7-Eleven to grab some tasty slurpees! No coupons are necessary for this deal.