Nutcase designer 3 layer face masks for is best for kids from age 4 years to 9 years. They not just look extremely cool but also protect you from dust as well as pollution. This set of 2 washable and reusable masks are extremely comfortable to wear. These are light, breathable and most importantly, 100% made in India.Nutcase face masks reduce the direct exposure to dust, pollen, and other air pollutants.