Yes, "KleverCase" is a legitimate company. They produce book-themed gifts and covers for Kindle and popular e-reader and tablet devices, as well as stationery and home and office storage solutions. However, customer reviews are mixed. Some customers have reported a good experience with their products and customer service, while others have expressed dissatisfaction with product quality and after-sales service. As with any online purchase, it's recommended to do thorough research and read reviews before making a decision.