Is it better to buy a waterproof bed cap or a pure cotton one?

Waterproof bedspread can effectively prevent mites from entering the mattress and kill the breeding ground of mites, thus blocking various allergens such as mold and fungi and creating a healthy and warm sleeping environment for family members. This kind of bedspread has strong waterproof performance, which is very practical for domestic pets to wet the bed, easy to leak sideways in special periods, and operating homestays. Mainly can protect the mattress from pollution, and the cotton bedspread is easy to clean, and the bedspread is directly placed on the mattress, which is very convenient to clean. In contrast, waterproof is better.