Flip flop-wearing guests can visit a participating cafe on May 28 from 2 to 7 p.m. for a free 12 oz. Sunrise Sunset™ Smoothie ATLANTA, /PRNewswire/ -- On Wednesday, May 28, Tropical Smoothie Cafe ...

Tropical Smoothie Cafe invites smoothie lovers nationwide to kick off summer and celebrate its annual National Flip Flop Day. Guests that come into a participating Tropical Smoothie Cafe location from ...