USE--- (PLEASE CHECK SELLER FEEDBACK BEFORE PURCHASE. Make sure you are buying from Valo Products for AUTHENTIC PRODUCT. Protects against 95 percent of air particles for cleaner breathing and odors MATERIAL --- Activated Carbon Filters with extra layer of protection. Non-woven material and carbon filter layer. LOW BREATHING RESISTANCE --- Its dual one-way valves and mesh material design make air resistance smaller without sacrificing any filtration.Its great to wear on both cold and warm weather. MULTIFUNCTIONAL --- There are a variety of uses for dust respirators, great for protection, sportswear and outdoor activities such as mowing, running, hunting, travelling, construction and woodworking.