How to wash and maintain the Xiaomi Roll Top Casual Backpack?

A: For your reference, here are some details about how to wash and maintain the Xiaomi Roll Top Casual Backpack:
1. Please soak and wash it in cold water, do not wring, do not expose it to the sun, and do not dry it in the shade.
2. Washing the backpack in water will cause shrinkage and fading. When washing, dark fabrics are easy to fade, so do not use detergents containing bleach or fluorescent agents.
3. When cleaning stubborn stains such as oil, please use as little detergent as possible. Dark fabrics will shift color when the backpack is wet or rubbed, so please be careful. 
4. Exposing the backpack to direct sunlight or fluorescent lights will cause discoloration, so please pay full attention to storage. (Please read the washing and maintenance information carefully and keep it properly for easy reference.)