This Mabelcorn Mabel vinyl figure is released by Funko in their POP! Animation x Gravity Falls vinyl figure series.

Funko POP! is a crossover vinyl figure series by Funko and other famous franchises such as Disney, Pixar, DC Comics, Marvel Comics, Simpsons, South Park, Uglydoll, etc. Each POP! figure is about ~3" to ~5" tall and crafted in a Japanese anime/manga super-deformed style (NOTE: due to the unique design of each character, the actual size of the figures may be smaller or bigger than stated).

The POP! Animation x Gravity Falls series features characters from the Disney TV animation that follows the adventures of Dipper Pines and his twin sister Mabel who are sent to spend the summer with their great-uncle (or "Grunkle") Stan, in a mysterious town full of paranormal forces and supernatural creatures. The kids help Stan run "The Mystery Shack", the tourist trap that he owns, while also investigating the local mysteries.