A frontier in personal protective equipment. The DXLOVER disposable masks can filter 95.6% of non-oil based particles and aerosol particles.Our 5 Ply face masks offer an unbelievableblend of comfort and protection.Made without glass fibers to prevent inhalation of dangerous materialsQuestion: How thick is the fabric?Answer: We offer a 5 layer for utmost protection and coverage,Outer color layer is a water blocking layer, can block splashing liquid;Middle layer is a filtering layer WITH melt-blown polypropylene filtration layer,which can effectively block particles from 0.3 to 1.0 pm. Inner layer is a water absorbing layer,which can absorb the moisture from the breath of the wearer, avoid the filtering layer from getting wet.Question: What size face does it fit?Answer: The mask length is 6.8inch and it stretches up to approximately 7.1 inch. The lightweight masks are designed to provide comfort and easy breathing. Masks bulk which is for Adult, Men, Women, Indoor, Outdoor Use.Question: Are the ear loops adjustable? Answer: YES, Wearing a soft and comfortable ear-hanging mask does not cause skin discomfort and is not easy to fall, so no adjustment is required during work, which provides convenience for your activities.