2. The newly bought latex sleeping mat has not been exposed to human sweat stains, and there are few bacteria and mites left, but there are some dust and odor. You can put it in a big basin, wash it with clean water 1-2 times, then gently squeeze out the water inside, take it out slowly, and hang it in a cool and ventilated place to dry. If you have a washing machine, you can also wash it directly in soft mode, which is more convenient.