100% polyester fiber
Made of high-quality mesh fabric, it 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.
Suitable for cycling, camping, running, traveling, climbing and daily use. Protect you from fog, haze, vehicle exhaust, passive smoking, etc. (Non-medical mask)
Size (without elastic band): 20*15cm
Machine wash and hand wash, quick drying, easy to care, durable, do not use bleach.
This size data is normal due to different measurement methods. The error is within 1-2cm.