Kick off the summer and celebrate National Flip Flop Day on Friday, June 17th, with a free smoothie from Tropical Smoothie Cafe! Guests who walk into any Tropical Smoothie Cafe® wearing flip flops will receive a free 24 oz. Jetty Punch smoothie from 2 – 7 pm. National Flip Flop Day is an annual holiday created by Tropical Smoothie Cafe® to raise money for their corporate partner, Camp Sunshine. Camp Sunshine is a week-long retreat that provides children with life-threatening illnesses and their families medical treatment and fun activities free of cost. Tropical Smoothie Cafe® hopes to donate over $1 million to Camp Sunshine this year! Donations between $1 and $4 will be rewarded with a paper flip flop sign that will hang in the restaurant and guests who donate $10 or more will receive a re-usable mug, featuring artwork designed by a previous Camp Sunshine camper.