Kids Kn95 face masks are composed of two layers of spun-bonded non-woven fabric, two layers of melt-blown non-woven fabric, and one layer of air blown non-woven fabric to effectively protect your children's health, Box of 30 pcs..Health-care Use : Keep your mouth, nose and chin covered and protected when you go to crowded public places and enclosed public spaces. These face masks can be used for daily protection and provides protection for your travel..Adjustable Nose Clip: The mask is designed with a built-in nose clip, which allows you to squeeze it on both sides of your kids nose bridge to make it fit their face well. It is soft and durable, not easy to break after many times, it will ensure a secure and comfortable fit for most kids, allow kids to play and learn freely..Comfortable to Wear: : Design with premium and soft straps, the ear loops of the mask has great elasticity and durable, it largely helps reduce pressure to your kids ears, so comfortable for them even to wear for a long time. With dual point ultrasonic welding attachments, the earloops are not easy to pull off, stay firmly!.Disclaimer: This KN95 mask is not an N95 mask. For more information about KN95 masks, go to About KN95 masks before you purchase.