Disposable KN95 Respirator Face Masks - Anti- Pollution Dust Face Mouth Mask for Outdoor Sport, Smoking, Cycling, Traveling 3D three-dimensional design with fluffy, breathable and soft material, will not cause fog when wearing glasses. The adjustable nose bridge and elastic ear-loops have enough elasticity to make a good, comfortable seal. Multi-layer protection can filter out dust, germs, smoke, pollution, and 95% of particles in the air. It preserves heat and is waterproof. PM 2.5 filtration with an efficiency rate of up to 95%.