[zipedit] ?Reusable PM2.5 Face Mask with Breathing Valve - Made of two-layer polyurethane filtration, the light-weight material is breathable, and comes with sweat absorption technology. As it is washable, you can reuse it for at least 2-5 times depending on your surroundings. Not only it saves you from the harmful effects of airborne contaminants, but it is also skin and environment friendly. One of most critical matters is if the mask fits your face shape correctly. With this soft and stretchy material, you don't have to worry about it. The wider ear loops doesn't have any rough edges making the mask comfortable to wear for long hours. The polyurethane material keep all harmful particulates as small as PM2.5 at bay. The valve design attached to the mask helps in smooth exhalation while breathing. Two-layer protection: The polyurethane filtration system effectively helps filter the pollutants from the air. Easy to clean Washable, reusable and more economical Excellent fit: 3D cutting to create a good fit PM2.5-1 removal efficiency: 91.09% Pollen inhibition rate: 97% Average antibacterial rate: 95% Smooth exhalation: The mask contains a valve that opens up as soon as you breathe out and allows moisture to flow out immediately. This process is essential to keep the mask comfy to wear, without heating up the surface of your skin. Attractive design: The sleek appearance makes you look more fashionable, away from the boring look. Comfortable to wear: stretchy fabric, and elastic ear loops helps wear longer hours Size: Length x width = 16cm/6.3'' x 13cm/5.1'' Unisex Weight: 4.5g Note: Please choose carefully as we aren't able to offer refund for hygiene issue.