Porcelain Ceramic 450ml Portable Coffee Insulated Thermos Vacuum Flask Cup mug

Product Features 316L stainless steel with Ceramic Seamless inner liner using R-SIO2 ceramic material combined with medical 316L stainless steel, can keep your drinks warm and fresh. Upgraded ceramic liner can hold both hot and cold as well as sweet and sour drinks. With smooth ceramic it is easy to clean Simple and compact portableCute design and convenient Hidden Ring for Hand Carry for travel or work, size is compact to put inside the bag the cup leakproof). One lid come with two drinking methodsSuction nozzle and direct drinking together. Anti-scalding sleeverUnique design, fits comfortable in the palm of your hand. heat preservation efficacyDouble-layer vacuum technology, effectively enhance heat preservation performance. 6 hours heat preservation effect, room temperature 2025 degrees, filled with about 95 ° C hot water-after 3 hours 7075 ° C, after 6 hours 3944 ° C, filled with about 0 ° C cold water-after 3 hours 1013 ° C, after 6 hours 1922 ° C. All these are estimation, it mig