7-Eleven Big Gulp Adult Costume Turn a convenience store favorite into a larger-than-life Halloween look with the officially licensed 7-Eleven Big Gulp Adult Costume by Rubies. This playful costume includes a one-sided printed tabard and coordinating headpiece to recreate the instantly recognizable Big Gulp cup design with fun, nostalgic style. Perfect for Halloween parties, themed events, food-and-drink costumes, and group dress-up, it's an easy way to stand out while celebrating one of 7-Eleven's most iconic drinks. Pair it with other 7-Eleven costumes and accessories for a fun and unforgettable group costume lineup. Item cannot be shipped to P.O. Boxes