How to wash canvas bags? 1. 1. Partial cleaning is recommended, try to clean only the dirty part. 2. 2. The raw material of the canvas bag is cotton, which is dyed and processed. After a period of time, the newly bought bag may fade when it is washed for the first time, which is normal. In order to prevent color fading, when cleaning for the first time, you can add some salt to the water, soak it for about 20 minutes, and then start scrubbing, so that the canvas bag cannot easily fade. 3. 3, cold water cleaning When cleaning the canvas bag, it is best to wash it in cold water. Hot water can easily burn it. Try to wash it by hand, not by machine. Canvas bags are cotton, so don't use detergents that contain bleach, and it's best not to use fluorescent ones, or the bag will fade and become unsightly. 4. 4, the amount of detergent The canvas bag is made of cotton, and it will fade if it is not cleaned properly, so try to reduce the amount of detergent when washing.