Product name: Stainless steel portable thermos / Actual capacity: 0.5L / Material: Stainless steel, polypropylene, silicone rubber BPA free / Made in China / Heat retention: 69℃ or higher (6 hours) Cold retention: 7℃ or lower (6 hours) * Insulation effectiveness 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 closing 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, make sure that it is closed horizontally. ○Turn the lid counterclockwise until it clicks into place. 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 part you touch is not hot, the contents inside Please be careful not to burn yourself as the drink may be hot. ○Do not leave it in a high temperature place such as inside a car. ○Do not leave it in a hot 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 a cleanser or scrubber when cleaning. ○Do not use chlorine bleach as it may cause rust. ○If there are rust-like spots inside the container. Add lukewarm water and about 10% citric acid, wash with a soft sponge after 2-3 hours, and rinse thoroughly.