Please clean inside the product and high insulation Cup internal temperature can better use hot water 1~2 minutes appropriate to improve the heat preservation effect of 1 before use. 2 the water is too little or too much will affect the insulation effect. The best heat preservation effect for water 1-2CM in the bottleneck. Lunch box class content also cannot too little or too much, the best capacity is the content of 3/4 or 4/5. 3 into the water slowly forced to tighten the cap to prevent water leakage. 4 please use not timing will be a spoonful of soda content in warm water into the cup open the bottle disinfection under the state use warm water to wash. 5 once a month with vinegar wash cup is very beneficial to health and long term use. When cleaning can be 1-2 drops of vinegar drip into the warm water diluted into the thermos cup open cap placed 30 minutes reoccupy soft cloth to wipe clean. Vinegar wash very effective for cleaning fine substances and bacteria. 6 because of the temperature difference middle cap part insulation cup with the outside air is easy to produce water vapor and condensation is a normal phenomenon. 7 cup body itself will not rust but may produce rusty red because of scale. 10% concentration of vinegar can be warm water into the cup for 30 minutes reoccupy soft cloth to wipe clean. Please be sure to operate in the product the upright condition when 8 use products. (with hot water may cause burns, spewing steam due to internal pressure 9 into cold water to use the product plus a few pieces of ice, the effect will be better. 10 bottle sealing ring for consumables. After a long time may be due to water leakage caused by the wear performance or bad. Encounter this kind of situation always please buy the corresponding parts replacement. 2 note: 1 please do not pour carbonated beverages use due to internal pressure may cause the upper cover prolapse. 2 do not use salt containing bleaching agent, diluent, steel ball, grinding powder, detergent etc.. May cause scratches or rust. 3 do not put near the fire. Please do not use in dishwasher in microwave oven. 4 don't long time placed beverages. is recommended to save time not more than 6 hours, 5 don't long time preservation of special beverage. Because the foreign bodies in beverage containing may result in problems such as discoloration cup. 6 do not fall or exert impact will reduce the heat preservation effect. 7 bottle should not be long time high temperature disinfection may lead to the cap deformation. 8 need to be placed in a bag or horizontal, vertical, please confirm the good product no water leakage in case water leakage wet goods. There are many reasons for the water leakage except the product itself seal did not lead to water leakage exergy good not tighten Gaidouke 9 after use, please wash thoroughly with warm water to gently wipe the moisture and keep dry completely to cool and dry with a soft cloth insulation cup. Please clean the product using the porridge and other sticky materials after 10. Placing a long time will foul water leakage products corrosion caused by bacteria. 11 cup regular cleaning as well cup not whole immersed in water cleaning external use wet cloth gently wipe.