*Built-in breathing valve and soft and elastic elastic ring, made of sponge material, can prevent pollutants from entering, while providing comfort
*Light material, soft texture, comfortable to wear. Equipped with filter valve, smooth breathing
*The built-in breathing valve allows air to enter and prevents moisture from entering, making your breathing easier, while preventing dust and other pollutants from entering
*Comfortable and elastic wide ear loops allow you to wear for a long time without feeling uncomfortable
*Suitable for cycling, running, cycling, hiking, skiing, carpentry and other outdoor activities
*Can be used for dust protection, anti-pollen allergy, anti-PM2.5 and anti-fog day protection
*Easy to wear, provide superior protection and are comfortable for long time wearing
*Washable and reusable. Foldable, so you can keep it in your pocket and take it with you
*Size: about 15 * 8 * 0.2 cm
*Colour: Black(As Pictures Show)
1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
2. Please allow slight manual measurement deviation for the data.