Stainless Steel Vacuum Insulated Tumbler - Coffee Travel Mug Spill Proof Lid 17oz

Smell. A high-quality thermos cup should have no peculiar smell or smell, or the smell should be light and easy to disperse. If the smell is strong and lingers after opening the lid, it means that the product is risky and should be avoided and returned in time.

Look. Check whether the label contains information such as product name, specifications, thermal insulation energy efficiency, name of manufacturer and/or distributor; whether the material type and material composition of the stainless steel cup body is clearly marked or represented by my country's standard grade or unified numerical code. It cannot just be Mark "high-quality stainless steel", "high-grade stainless steel" and other ambiguous information; whether to indicate the material of the plastic parts (the sealing cover should be made of PP (polypropylene) material, which is safe and heat-resistant). Check whether the surface of the product is uniform in color, whether there are cracks and chips, whether the printed text and patterns are clear and complete, and whether the electroplated parts are exposed, peeling, or rusty.

Touch. The surface of the inner pot and outer pot should be polished evenly without bumps, scratches or burrs; the mouth of the cup and the welded joint should be smooth and smooth without burrs.

Try. Pour in boiling water, tighten the lid of the cup, and test the heat preservation performance after 2-3 minutes by holding it with your hands to see if there is obvious temperature rise; pour boiling water, tighten the lid of the cup, hold it upside down for 4-5 minutes, and test the sealing performance by checking whether there is leakage; Test the rotation performance by checking whether the lid switch is normal; test whether each component is easy to disassemble, wash and reassemble.

Cleaning and disinfection before use is necessary. It is safer to scald and disinfect with boiling water or neutral detergent before use. Preheating with boiling water will provide better heat preservation effect.

Avoid falling and collision during use. Bumps and collisions can easily cause the cup body to be damaged or deformed, and the welded parts will no longer be strong, destroying the thermal insulation effect and shortening the life of the thermos cup.

The thermos cup can't hold everything. The thermos cup should not be used to hold acidic and alkali corrosive liquids; it should not be used to hold dry ice, carbonated drinks, etc. The carbon dioxide continuously generated inside will increase the pressure and cause the cup lid to come off, and there is a risk of injury; it is not suitable to hold high-protein foods such as soy milk and milk for a long time. , it is easy to breed bacteria and cause nutrient loss; it is not suitable to hold acidic foods such as juice for a long time, which may cause an electrochemical reaction with the inner tank of the thermos cup, affecting human health; it is not suitable to hold liquids such as tea, traditional Chinese medicine, etc. for a long time.

Personal safety cannot be ignored. When filling the thermos cup with boiling water, do not fill it too full. It is recommended that it be at least 2 cm lower than the mouth of the bottle to prevent burns from boiling water overflowing when opening the lid. Do not shake the thermos cup vigorously with the lid closed to prevent the cup from being pressurized and opening. Injured by the pop-up cup lid or hot water sprayed out when closing the cup. Parents should supervise children when using the thermos cup. Do not hold liquids exceeding 50°C to avoid the risk of burns.

Clean regularly. It is advisable to use a soft cloth when cleaning and avoid vigorous friction. It is not suitable to boil and disinfect with water. If not used for a long time, it should be cleaned and dried thoroughly. If food with strong color and smell is used, it should be cleaned as soon as possible to avoid staining of plastic and silicone parts.