The Sanrio Pompompurin Keychain is a cute and collectible item featuring the beloved character from the Sanrio franchise. Made by the brand Sanrio, this keychain is a must-have for fans of the popular animated series. While it is not signed, it still holds value as a piece of animation merchandise, catering to those who appreciate the art and characters of the show. Perfect for adding a touch of whimsy to any keychain collection, this Pompompurin keychain is sure to delight fans of the lovable character.