Product name: Portable stainless steel thermos flask / Actual capacity: 0.35L / Material: Stainless steel, polypropylene, silicone rubber / BPA free / Made in China / Heat retention: 65℃ or higher (6 hours) / Cold retention: 8℃ or lower (6 hours) ) *Heat retention effect refers to the temperature of hot water measured 6 hours after pouring boiling water into the product at a room temperature of 20°C ± 2°C, and when the water temperature reaches 95°C ± 1°C, with the lid on. *Cold retention effectiveness refers to the temperature of water measured 6 hours after pouring cold water into the product at a room temperature of 20°C ± 2°C, and when the water temperature reaches 4°C ± 1°C, with the lid on. *Before adding drinks, add a small amount of hot (cold) water and preheat (pre-cool) for about 1-2 minutes to increase the heat retention (cold retention) effect. ○This product is a beverage bottle. ○Cannot be used in the microwave, oven, dishwasher, or dryer. ○Do not place near fire. ○Do not wash by boiling. ○Keep out of reach of infants. ○Do not drop or subject the container to strong impact as this may cause damage or water leakage. ○Do not put dry ice or carbonated drinks into the container as this may cause the container to expand and cause damage or injury. ○Drink Please be careful not to overfill the drink as it may overflow when you close the spout. ○If the lid and spout are not closed properly, the liquid inside may leak, so be sure to close them securely. ○Please attach the silicone gasket correctly before use. ○When closing the lid, please make sure that it is closed horizontally. ○Turn the lid counterclockwise until you feel a click. If you turn it clockwise from the top, it will close horizontally. ○After closing the lid, turn the product upside down or sideways to make sure there are no leaks. ○If you put it in a bag etc. to prevent any leakage, Please place it vertically. ○When opening the lid, firmly fix the spout parts so that they do not come loose when turning the lid. ○Due to the double structure, even if the parts you touch with your hands are not hot, the contents inside will stay warm. The drink may be hot, so please be careful not to burn yourself. ○Do not leave it in a high temperature place such as in a car. ○Do not leave it in a high temperature place such as inside a car. ○Do not leave it in a hot place as this may cause rust or spoilage of the drink. Do not leave it for a long time. ○To prevent stainless steel from rusting, remove dirt and moisture as soon as possible, dry it thoroughly, and store it to avoid contact with other metals. ○This may cause rust or damage. Do not leave it in water. ○Do not use cleanser or scrubber when cleaning. ○Do not use chlorine bleach as it may cause rust. ○If rust-like spots appear inside the container. Add lukewarm water and about 10% citric acid, wash with a soft sponge after 2-3 hours, and rinse thoroughly.