Material: cotton Color: red/navy blue/light blue/pink/orange Applicable people: Fits children Free size(L*W): 18*11cm/7.1*4.3inch One size fits most. Description: Air pollution affects our daily life and health, especially our kids need more protection. This kind of anti-smog mask filtrate 95% of the dust, the smog, car exhaus, plant pollen and flu particulates, keep our kids from dust and haze and stay healthy. Reusable: Made of pure cotton material, environmentally friendly, healthy, soft, comfortable and breathable, it can provide excellent results. Comes with 1pcs filter, just insert the filter into the inner opening of the mask, it can be used repeatedly after washing and drying. Fashionable cartoon cute bear design is very popular among children. Features: 1. 100% Brand new and high quality. 2. Made by high quality pure cotton material, breathable and comfortable. 3.Thicken design will keep you warmer. 4.Adjustable nose clip and chin tight fit design, more fit to the face contour. 5.Built with filter inserted design. 6.Adjustable ear strap design, wear easily, stronger and more comfortable. 7.Washable, can be repeatedly used. 8.Collapsible, you can put it inside your pocket and bring it anywhere. 9.Free Size: for both boys and girls Package Included: 1Pcs x Children Face Mouth Mask 1Bag=2Pcs X PM2.5 Filter paper ( Each bags have 2pcs filter ) If you need More filters, please choose.