7-Eleven "Big Gulp" insulated mug, huge 100-ounce (approximately 2.96 liters)

7-Eleven "Big Gulp" insulated mug, likely the huge 100-ounce (approximately 2.96 liters) version. These large, reusable mugs are popular collectibles and advertising memorabilia associated with the convenience store chain's fountain drinks.
Key Details
Brand & Name: The mug features the iconic "BIG GULP" logo, which is the trademarked name for 7-Eleven's line of fountain drinks.
Capacity: Based on the large size visible in the image, it is most likely the 100 fl oz variant, although 52 oz and 32 oz versions also exist. The 100 oz version measures about 12.5 inches in height.
Features: The mug is double-wall insulated to keep drinks hot or cold and typically includes a large handle and a removable lid with a pour/straw opening.