The product is a Marvel Comics comic book titled "Demon Days: X-Men #1" featuring artwork by Kael Ngu. This store exclusive variant includes popular X-Men characters such as Cyclops, Jean Grey, Rogue, Wolverine, and more. Published in 2021, the comic book is part of the modern era of US Comics and is written in English. With a focus on the X-Men superhero team, this comic book is a must-have for fans of the X-Men franchise and collectors of comic books.