This KN95 mask forms 3D breathing spaces for user to breath easily. The high elastic ear strap has enough elasticity to make a good seal, low pressure, and the breath resistance is slow, it can be also molded for proper fit. It can effectively filter 95% of the air Oil-free particles, prevent pm2.5 air pollution, suitable for home and professional use, making your indoor and outdoor breathing easier. FEATURES: * KN95 protection level, Layer by layer filtration to isolate pollution * Made of high quality material, safe, soft and comfortable. * 3D breathable space, comfortable breathing * 96.1% filtration, and anti-dust protection for you. * Protect you from airborne particulates and pollution. * Elastic straps and adjustable nose clip for different face shapes and sizes. * Perfect for daily use and outdoor activities. SPECIFICATION: * Color: White * Wearing way: 9051 A ear-Wearing * Material: Non-woven Fabric * Implementation Standard: GB2626-2006 * Protection Class: KN95 * Filtering Rate: =96.1% (0.075m particles) * Quantity: 10pcs/bag20pcs/bag * Function: Anti droplet transmission, Anti pollution, Anti-Dust, Anti PM2.5 * Applications: daily life, factory workshop, hospitals, clinics, school, working places,etc PACKAGE CONTENTS: *20pcs KN95 Breathing Protective Mask *50pcs KN95 Breathing Protective Mask *100pcs KN95 Breathing Protective Mask