The deal continues a year-long promotion that's seen the brand offering a deal on the 31st of each month in celebration of their 70th anniversary.
The deal is good at participating locations for any ice cream flavor in a cup or cone. If you're looking to try something seasonal, Baskin-Robbins summertime selection this year includes Chocolate Almond, OREO 'n Cake, Rum Raisin, S'More the Merrier, and Wild 'n Reckless Sherbet.
Photo via Baskin-Robbins.