Protection of Triple-Layer filtration. The top blue outer-layer is non-woven fabric effectively blocking visible objects such as droplets. The mid-layer is melt-blown cloth filtering non-oily particles in the air while the inner-layer is non-woven cotton that absorbs hot air exhaled from the body leaving the skin dry and comfortable.
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**NO REFUNDS OR EXCHANGES ALLOWED ON THIS PRODUCT. ALL SALES FINAL!