Description: Children are not suitable to wear general adult masks, because adult masks do not fit their faces, leaving gaps and causing fection. This children's mask is specially designed for children's facial 3D, which is suitable for children and provides better protection. This  respirator can be used to protect you from harmful particles, PM2.5, vehicle exhaust, woodwork, pollen allergies, and fumes. Ideal for people at risk of respiratory diseases, living in or travelling to areas with high air pollution / smoke levels. 3 layers of protection: non-woven outer layer + filter paper layer + skin friendly non-woven inner layer. Breathable and comfortable, low breathing resistance. waterproof: Yes (waterproof means that  droplets can be prevented from spreading) There has a nose clip can be shaped to increase mask sealing effect, and avoid the fog of glasses when breathing. Suitable for children aged 3-12 Material : Non-woven fabric Size:17.5cm x 9.5cm Include: Disposable 3-Ply Masks Anti-Dust Face Mask