Taco Bell is celebrating the 20 year anniversary of MTN DEW BAJA BLAST by giving away free Stanley x BAJAVERSARY tumblers on August 13th at 2pm PST to Rewards members! Check your Taco Bell app on Tuesday and be one of the first 100 people to claim one of these special tumblers. Additionally, the first 20 Rewards Members who claim the offer will receive "Free Baja Blast for a Year" in the form of a $200 Taco Bell gift card. Good luck!