Design for children and kids to wear for indoor and outdoor environment, such as school, playground, library, school bus, hospitals, grocery stores, shopping malls, theme parks, restaurants, and general public environment. Also works for activities such as family gathering, camping, holiday vacation, in-person tutoring, parties, day-to-day commute to school, workout, sports events, concert, carnival under different kinds of weather conditions (foggy, windy, dusty, etc.) in four seasons.3-Ply Construction: The mask consists of three layers of high-quality nonwoven materials, gentle to skin: the outer and inner layers are made of polypropylene spun-bond nonwoven fabric and the middle layer is made of polypropylene melt-blown nonwoven fabric. The three-layer design provides both comforts and wearability for indoor and outdoor activities while remaining lightweight and breathable experiencesComfortable Ear-loops: Our masks are equipped with elastic ear loops built with a polyester, nylon, and spandex blend to relieve pressure on ears and allow for extended useSturdy Nose Clip: Our adjustable nose clip consists of a metal wire covered in plastic designed to help the mask tightly form to the nose-bridge creating the most comfortable fit and a tight seal while also helping to reduce eyeglass fogOne-size-fit-the-most design with adjustability to different users to provide full coverage of nose, mouth and chin; 50 pieces of masks are contained in the box, and each 10 pcs are individually wrapped and sealed for convenience, travel and distribution