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Matters needing attention and scope of application: 
* this product has the function of heat preservation and cold preservation. Keep hot for more than 10 hours and cold for more than 24 hours
* applicable to company welfare, company opening, product presentation and other gifts. It is also a necessary product for modern families.
  
Matters needing attention and treatment: 
* please clean the product before using it for the first time or for a long time.
* for the sake of safety and hygiene, warm water and neutral detergent should be used before storing cold and hot food to avoid burst caused by sudden cold and heat. 
 
Cleaning method:
* after use, remove food residue with warm water or mild detergent.
* in case of difficulty in removing stains, fill the product with hot water, put a teaspoon of baking soda into it, tighten the cap and wait all night, and wash the product when used again.
* please do not soak the whole product in water.
  
Matters needing attention:
* don't use abrasive, solvent, and bleach to clean.
* do not place the product near the heat or microwave oven and stay away from heat.
* to prevent burns, use cups or other containers instead of drinking directly.
· the product is equipped with a glass vacuum liner. Children should use the product under the supervision and guidance of parents.
* the product should avoid violent shaking. The pump tail at the bottom of the bottle should be carefully protected to avoid damage and loss of insulation effect.
* this product has the function of heat preservation and cold preservation. Keep hot for more than 10 hours and cold for more than 24 hours
* applicable to company welfare, company opening, product presentation and other gifts. It is also a necessary product for modern families.