Sized at 3.7 inches x 5.7 inches. Suitable for 3-12 years old. Do not use on a child under two years old.Our kids mask is made of 2 layers of upgraded non-woven fabric and 1 layer of melt-blown fabric. Breathable and comfortable.These kids face masks can be used for daily protection, but should not be used in surgical or high risk situations100 piecesGreat for taking your children with you to the store, going on trips, going to school, camping, cycling, etc
