This Elsa vinyl figure is released by Funko in their POP! Disney x Frozen 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! Disney x Frozen series features characters from the Disney's 3D CG animation, which tells the story of a fearless princess who sets off on an journey to find her sister, whose icy powers have inadvertently trapped the kingdom in eternal winter.