Try one of Cosi 4 smoothies FREE on Wednesday, April 20th from 2-4pm. Offer valid on 4.20.2011 from 2-4pm (local time) only. Limit one tall (12 oz.) Smoothie or select Grab & Go Beverage per person, while supplies last. No purchase necessary. Locations.
Free Smoothie at Cosi on 4/20 – EXPIRED