Made of eco-friendly material, breathable, soft and comfortable, moisture-proof, non-irritating. (There are 10pcs, 20pcs, 50pcs, 100pcs, please choose the quantity you want when purchasing). .Special 3-layer design, non-woven fabric filter, health and safety. With cute patterns that children like, which make it useful and fashionable. .Easy to wear: when you wear it, it fits your face seamlessly. Stretchy elastic ear loop is easy to wear and no pressure on ears. .Daily, indoor and outdoor activity, outdoor, schools, supermarkets and any other public places. Perfect gift, send your love and care to your girlfriend, wife, sister, daughter, mother, children, teenagers and friends. .Protect your mouth and face from dust. Suit for all kinds of outdoor and indoor activities, such as house cleaning, gardening, skiing, subway, etc. Ideal for kids, suitable for cycling, camping, running, traveling, climbing and daily use. .