GH-AIR+ ANTI POLLUTION MASK —N99 AirSaftyHEPA PROTECTION —REUSABLE—WASHABLE —DURABLE! WITH SEAL ABLE SAFTY CARRY BAG!Personal pollutants protection thats exceeds NIOSH N99 particle filtration criteria.THE SUPERIOR AIR-SAFTY-HEPA MEDIA PROTECTION? Multi-layer HyperHEPA media filtration technology, is designed for superior protection against airborne particles, ultrafines pollutants down to 0.003 microns.ACTIVATED CARBON? Activated carbon .SOFT-TEK-SEAL AIR LEAKAGE PROTECTION? Technology uses a specialized sealant material that gently and firmly conforms comfortably to your face shape, fully preventing any polluted air from leaking in. This sealing configuration is also designed for maximum comfort all day long – it prevents unsightly pressure marks, traps uncomfortable condensation from sweat on your face, and help minimise warm breath from escaping and fogging up glasses or gogglesSPECIALLY DESIGNED EASY-STRAP 2 WAYS TO WAER? Designed to comfortably fit on any face with 3D face technology and blend in with any look, 2 ways to wear head wear or ear wear. Superior fit and greater comfort.CUSTOM-FIT DESIGN: Comfortable and adaptable to any face shape? Fits —Most, Adjustable head wear or ear wear (If you have a very small face of you want to fit for kids you can adjust the elastic bands to cross behind the head or going around your ears.