Disposable Dust Anti Pollution Mouth Cover,Thick 3-Layer by ISAMANNERWe are a professional manufacturer for this mouth cover. In this special period, in order to make sure all customers to receive the products in the first time, we decide to ship all goods by FEDEX. Place your orders before 6PM, we will arrange to ship out the goods in same day. Made of lightweight spunbond meltblown polypropylene(SMS) material. Lightweight, breathable coverall fabric provides a cool, comfortable work environment Front long