To take advantage of the offer, simply stop by any participating location during the promo period on Wednesday while wearing your favorite pair of flip flops for a free 12-oz Strawberry Margarita Smoothie.

A zesty non-alcoholic take on a summer favorite, the Strawberry Margarita Smoothie features a blend of strawberries, lime juice and orange juice, garnished with a fresh lime wedge.

Established in 2007 by Tropical Smoothie Cafe, National Flip …