Brand U-Healer Model L024 Color Black Material Surface: Super-soft space cotton + Mezzanine: nano carbon fiber mesh + Lining: Cotton Quantity 1 Functions Uses special soft space cotton and nano carbon fiber mesh; Electrostatic technology Makes the fiber surface can continue to produce and maintain a small amount of static charge; The use of activated carbon and the electrostatic double adsorption principle completely block dust and pathogens and can be decomposed the formaldehyde into carbon dioxide and water; Breathable and comfortable to wear. Packing List 1 x Mask