If it is too dirty, you can use a neutral detergent to clean the backpack and then put it in a cool place to air dry, but avoid exposure to the sun for too long, because ultraviolet rays will damage the nylon cloth. During the hiking process, you still need to pay attention to basic maintenance. Thick needles and threads are specially used to sew up chair cushions and must be sewn firmly, and nylon threads can be broken by fire. The specific method is as follows:
1. Use a small brush to clean the floating soil, suitable for backpacks with only floating dust.
2. Wipe with a soft towel dipped in water, and then dry, suitable for backpacks with common stains (such as mud).
3. Soak it in a large basin for a few days, and then rinse it repeatedly. It is suitable for dirty backpacks.
4. Remove the washing machine for the carrying system, suitable for lazy people who are obsessed with cleanliness.
