Disposable three-layer masks are made of two layers of fiber non-woven fabrics that are professionally used for medical and health, and an additional layer in the middle has a filter germ of 99% or more. Plastic strip, without any metal, with vapor permeability, comfortable. Filtering effect B.F.E up to 99% The first layer is made of anti-bacterial filter paper to achieve 99% of the anti-bacterial filter, which plays a role of anti-bacteria and prevents virus harm; the second layer in the middle is made of new high-efficiency adsorption and filtering materials-activated carbon fiber and activated carbon cloth Disposable masks are manufactured with environmentally friendly plastic nose bridge strips. The nose bridge clip design can be adjusted most comfortably according to different face shapes. With the optional ultrasonic spot welding, the earbands are very strong and will not fall easily. Disposable masks can be used in electronics manufacturing, dust-free workshops, catering services, food processing, schools, motorcycles, spray processing, stamping hardware, electroplating, chemicals, steel, welding, health centers, handicrafts, Beauty, pharmaceutical, factory, environmental cleaning, public places, etc. Specification: Function: 1.Breathable 2.Filter toxic gases 3.Keep warm 4.Absorb water 5.Waterproof 6.High elasticity 7.Soft Material:Blue non-woven fabric + 25 g meltblown fabric + white non-woven fabric Protection level: KP95 Size:17*9.5cm