Key facts
- Tropical Smoothie Cafe is offering a free 12 oz. Mango Monsoon Smoothie.
- The promotion is valid on Friday, June 5, from 2 to 7 p.m.
- Customers must wear flip flops to a participating cafe to receive the free smoothie.
- This event is part of the cafe's annual National Flip Flop Day celebration.
Tropical Smoothie Cafe is celebrating its annual National Flip Flop Day by offering a free 12 oz. Mango Monsoon Smoothie to customers who wear flip flops to a participating location. The promotion will take place on Friday, June 5, between 2 and 7 p.m., welcoming the summer season.