UV Sun Protection Breathable Face MaskProduct Details : Material : Denatured polyviscose fiber that absorbs moisture and is more breathable than ordinary fibers And the moisture content is the best match to human skin requirements, such as smooth, cool, breathable, anti static, anti UV protection. Good Breathability : The mouth hole design prevents the mist from spreading into your glasses. In the process of exercise, you won't feel filtered dust is disturbed by breathing. the ear loops