✔️SMALL SIZE! Kids[Ages 5-15] KF94 face mask. Dimension: 7 inch x 2.5 inch | ✔️KF 94 Certified Made In Korea : Filtration efficiency > 94% Blocks more than 94% of particles sized at an average of 0.4-micrometer. | ✔️Adjustable Nose Clip: Nose clips can be tightened to the nasal bridge allowing for the comfortable wearing of glasses without the hassle of fogged lenses. | ✔️Ear Clip Lanyard : Each individually packaged mask includes a s-hook clip for further adjustment to secure the best fitment for all shapes/sizes. our masks are also equipped with a quality nose clip to prevent slipping while talking and to secure the mask to the face. | ✔️NEULPULEUN masks completely block small particles and other harmful substances as well as fine dust, and is certified by MFDS(Ministry of Food and Drug Safety) in Korea and FDA Registered in USA