4-Layer Design Our kid's KN95 masks are made of 1 layers of non-woven fabric, 2 layers of melt-blown fabric, and 1 layer of hot air cotton. It is designed to offer more protection in daily life, Allow kids to play and learn freely. Foldable & Portable: A lightweight and foldable design make the kid's KN95 face masks easy to fold into your kid's bag, easy to incorporate, and save space. Advanced 3D Shape The face mask is in 3D structure according to the human face shape. It can cover the mouth, nose, and chin snugly, reduce air leakage, and provide enough space for kids to breathe. Widely Used The unisex kid's KN95 mask is one size for both boys and girls. It can be applied in the home, school, park, or another public place, and is good for playing, walking, learning, and other activity Disclaimer This KN95 mask is NOT an N95 mask.