7-Eleven announces “Bring Your Own Cup Day” where you can fill anything with Slurpee for $1.99 on April 13th. Slurpee drink fans are encouraged to bring their motorcycle helmets, fish bowls or milk cartons to their local store to fill with the season’s limited time only flavors like Chili Mango and Fanta Dragonfruit Zero or classic fan favorite flavors including Coca-Cola, Cherry, Blue Raspberry and Pina Colada. “BYOC Day is a time-honored tradition at 7-Eleven that we look forward to each year,” said Dennis Phelps, Senior Vice President, Merchandising (Vault and Proprietary Beverages) at 7-Eleven. “We love seeing our customers – of all ages – bring their imagination and creativity to life while enjoying our beloved Slurpee drink.” In order to properly enjoy BYOC Day, 7-Eleven say to ensure the cup is clean, watertight, leak-proof and fits upright within the 10-inch hole in the in-store display, indicating it can fit under the Slurpee drink dispenser. What 'cup' would you bring?🥤 #7eleven #bringyourowncupday #slurpee #usa