The Sttoke Ceramic Reusable Cup is impressively classy and highly functional through design and technologies. The eye-catching seamless curve shape is developed via a unique manufacturing process and it fits perfectly into people’ hand, making it both good-looking and portable. The double-layer vacuum cup is made of 304 stainless steel with German Greblon ceramic coating. The cup is lightweight, drop-proof and easy to clean. It ensures consistent and fine taste and fragrance of coffee as ceramic cups do. The cup not only serves coffee but also gives users a great experience.