Features: 1. 360 fits the face, and the filtration efficiency is 94%. Keeps your kids away from dust, PM 2.5, fog, smoke, car exhaust, etc. 2. Prevent the mask from getting close to the nose and mouth, effectively reducing the risk of spreading bacteria. 3. Melt blown cloth filters 0.3 micron particles up to 94%. Effectively protects breathing health. Low resistance and smoother breathing. 4. Use wide ear hooks, less pressure, and ensure ears more comfortable. It is light and foldable, it can cover kids mouth, nose and chin easily. 5. Designed for the most comfort, these individual masks are painless. They offer full coverage of the nose and mouth and are comfortable for extended wear, including air travel. Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Material:Non-woven fabric, meltblown fabric, cotton, spandex tape Size: 17x7cm Color\/Style: As the picture shown includes: choice 1: 10 x Mask choice 2: 50 x Mask