7-Eleven is offering a FREE 12oz Can of Red Bull when you enter your phone number to receive a mobile coupon. Note that it may take a few minutes for your coupon to arrive via text. This one's good through June 25th. Note: Only click redeem when you are ready to use the coupon as you only have 15 minutes to use the coupon once you do click to redeem. This offer is valid at participating 7-Eleven stores and there is a limit of one coupon per customer.