The product is a keychain featuring the names of popular Kpop idols CORTIS such as Martin, James, Juhoon, Seonghyeon, and Keonho. This fan merch item is inspired by the modern era of Kpop and originated from Vietnam. It serves as a collectible for fans of the idols and adds a touch of personality to their everyday lives by allowing them to carry a piece of their favorite artists on their keychains.