Eco-Friendly, Low Shrinkage, Abrasion Resistance A. Lightweight Design, Soft Comforts Foam, Adjustable Nose Clip, Elastic Straps, the KN95 Safety Mask create a secure seal for maximum protection B. 3D Ear Hanging and Lightweight Design make your breathing easier. C. Breathable and comfortable cotton material, gentle close to the skin. D. Humidity-resistant filter media offers lower resistance for easy breathing even during extended wear