【Design Description】Full-width printing [Material description] 100% polyester fiber [Product performance] It is made of high-quality mesh fabric, which has good air permeability, is very comfortable and easy to wear, and can prevent dust, small particles in the air, pollen, etc. Dustproof, anti-odor, etc., washable and reusable. [Applicable scenarios] Suitable for cycling, camping, running, traveling, climbing and daily use. Protect you from fog, haze, vehicle exhaust, passive smoking, etc. [Accessories structure] Size (without elastic band): 20*15cm