SPECIFICATION Material: Food grade 304 stainless steel + food grade PP + food grade silicone Size: 10.8*2.8inch Capacity: 600ml Use-Method * Minors please use under the guidance of adults or after reporting. * Clean the inside and outside of the cup with neutral detergent in warm water before use. * In order to achieve the best heat and cold preservation effect of the cup, it is recommended to add hot water or ice water for preheating or pre-cooling. It is better to add ice cubes when keeping cold. * To prevent leakage, please tighten the lid of the cup clockwise when the cup body is tilted. NOTING *When adding boiling water to the cup, do not use straws when drinking to prevent burns. *When adding boiling water to the cup, it should not be too full to prevent scalds from overflowing. *Avoid the deformation of the cup caused by falling, collision or strong impact, which will affect the product's efficacy. *Avoid direct heating or placing it in a high temperature place. It is strictly forbidden to heat the product in an open flame, microwave oven, induction cooker, or dishwasher. *Do not add dry ice, carbonated beverages and other liquids that are prone to high pressure in the vacuum cup; do not add liquids containing alkaline and acidic ingredients such as soy sauce, soup, etc., to avoid corrosion of the cup. *When cleaning, please use neutral detergent and warm water to clean, do not use alkaline bleach, chemical wipes and other cleaning agents. *After filling perishable beverages such as milk, please drink and wash as soon as possible to avoid deterioration of the inner tank. *Do not use it for other purposes except cold and heat preservation. *Holding time: 10 hours for 45℃ above ,6 hours for 65℃ above KIND NOTE *We provide 100% after-sales service guarantee, feel free to contact us. *Your comments and suggestion are most welcome.