The 3 Ply Surgical face mask has adjustable earloops is great for air-pollution, bacteria and dust protection. Due to the stretchy ear loop it gives a close fit and also it prevents leaving trace on your face after taking off, easy to wear and take off. These are eco-friendly, non-woven, breathable and droplet absorbent. Perfect for daily wear to protect you from droplets, smog, dust, ash and so on. These are single-use mask and need to be disposed of after one use. It comes in a pack of 50. These perfectly filter the air when you are working in an area with a high concentration of air pollution, chemicals, dust, smoke, pollen, ash and clay.