Pro-Ensure24 smf08 3 Ply Disposable Face Mask With Melt Blown Fabric and Strechable Ear loop (smf08) Surgical Mask  (Blue, Free Size, Pack of 20, 3 Ply)

3 Ply Layers Outer layer is for blocking splash and small particles in the air, middle layer is for filtering the breath-in air, contact layer is for absorbing the vapor of exhaled air. Premium Material High Elastic Ear Loop High elasticity and will not easily break, less pressure to ears, less uncomfortable feeling to body. Built-in Nose Clip Convenient for adjusting the nose clip to fit nose bridge, better fit the face shape. Widely Applicable Disposable face masks are suitable for indoor and outdoor activities, no matter for personal needs or work requirements, disposable face mask is a better choice. Please note: When wearing masks, do not excessively pull the strings at both sides or they will break. Disposable face mask is just for disposable use, recommend replace it every four hours. Please properly dispose it after use.