Southland Corporation’s chain of 7-Eleven convenience stores is known for proprietary products like the Big Gulp® fountain soft drinks, Big Bite® hot dogs, and Slurpee® beverages, a sweet, semi-frozen, flavored drink. 7-Eleven promoted Slurpees with limited-edition cup designs to appeal to kids and teens and to encourage repeat business. These collectible plastic cups from 1975 feature Marvel comic book characters. The 10 designs in the museum’s collection are from a total of 60 in the series and include Captain America, Red Sonja, Dr. Doom, Daredevil, Iron Fist, Falcon, The Vision, Silver Surfer, Black Panther, and Cyclops. The 12-oz. size predates the popularity of supersized (1.2 liter) drinks.
Omar Knedlik invented a machine to make frozen beverages with a slushy consistency in the late 1950s. In 1965, 7-Eleven began a licensing deal with his brand, the ICEE Company, to sell the same product under a different name. 7-Eleven has been selling Slurpees since 1967.
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