Maintenance of stainless steel vacuum cup common sense

1,  Keep the stainless steel thermos dry when not in use for a long time.  

2,  in order to prevent odor and stains, please clean and dry it after use.  

3.  Red spots like rust are left on the inner wall of the thermos cup due to improper use. Try soaking in warm water and diluted vinegar for 30 minutes and then cleaning.  

4.  Please use a soft cloth dipped in neutral cleaning agent and a wet sponge to wipe the surface of the product, and clean the product after each use.