It appears as though a few people have been searching for red solo cups in Paris on Google. FYI- They do exist here now at a shop with American products, although not at a price that is reasonable. (yes.. yes.. I know, they have to get things shipped here and it’s expensive to do so, but still!)
Thanksgiving is located near métro Saint Paul on line 1. Also located not far from there is Breakfast in America, which is great if you’re craving some deeeeelicious pancakes or milkshakes.