Type Sponge Face Mask Color BlackSeason Spring Summer Autumn WinterFunction Dustproof Windproof Anti Smog Anti PM2 5Anti collision design Anti collision of nose bridge effective protection of nose bridge boneFeatures Safety Face Mask Safety and health 95 filtration efficiency Double thick polyurethane Can protect you from dust car exhaust pollen etc TOMEI cold flow breathing valve design Adopting international leading technology cold flow breathing valve can reduce the accumulation of moisture and heat making each breath better and more comfortable 3D Ear Hanging and Lightweight Design make your breathing easier Thin to 2MM breathable mask 2MM thin design good breathability long term wear will not cause hypoxia shortness of breath or stuffiness comfortable aerobic breathing no foreign body sensation comfortable and no burden Widely Used Suitable for all kinds of outdoor activities Such as Mountain biking Running Horse riding Snowboarding Skiing Speed walking Climbing Cycling Walking Motorcycling etc Also applies to Exhaust Industrial emissions Dust allergies PM2 5 Can wash repeatedly economical can wash repeatedly high cost performance Package included 1 X Sponge Face Mask