This Lone Wanderer figure is released by Funko in their POP! Games x Fallout 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, Star Wars, 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 Funko POP! x Fallout series feature characters from the series of post-apocalyptic role-playing video games, which takes place in a post-apocalyptic world during the 22nd and 23rd centuries.