<p>Size: 7.87 X 5.90 Inches / 20cm x 15cm, suitable for most teenagers and adults.100% polyester fiber, M-type nose clip, protect 5 layers of activated carbon, 2 kinds of filter cloth are soft, breathable, adjustable and harmless to the skin. Cleaning will not reduce the protective effect of the mask and protect your face and lips from dust, smoke, pollen, colds, allergies, haze, exhaust gas, hypothermia and allergic substances. It can be worn for a long time without affecting breathing and speech. Fashionable printing pattern design, highlight your style! This product is also given to your family, lover, and friends.The perfect gift.</p>