Free Size 3 Ply mask: To fight pollution, protects against dust, cement, powder etc. Light weight comes with breathing holes & vent to maintain & balance the air flow. Anti bacterial with soft Lycra free elastic ear. A perfect facial fit with elastic ear loops Air mask dust is made of Antibacterial Cotton, Suitable for sensitive skin, Lightweight, easy to breathe through Two exhalation valve. Portable & Easy to Carry. This product is best suited for all outdoor and indoor activities like bike riding, highway driving, mountain driving, sports activities, and cycling, etc.