Come and see our amazing products. Masks are made of polyester cotton to make soft and washable, reusable, breathable and can be folded for easy carrying. The ear loops are easy to adjust for perfectly over your nose and mouth. It is wide enough for cover nose, mouth and face, it fits most peoples'face. This anti dust mask with breathing valve can be used to protect you from harmful like fog haze, vehicle exhaust, passive smoking pollen and other fine particles in the air. The dust respirator is for both women and men, suitable for cycling, camping, running, travel, clmbing and daily use. It is a good promotional item for promo your brand. Your logo can be customized. Pls confirm further with us if any query about packing info, inventory status and time schedule.