This adult face mask has a 93.6% particle filtration efficiency rate. It is reusable, eco-friendly and sustainable made of 70% recycled material. Lightweight, breathable and super-soft comfort fit for all day wear. Each mask is made using RPET poly from recycled water bottles. Moisture wicking fabrication is washable and breathable. Features a double layer fabric, goes over your ears for secure fit, fits over an N95 mask. One size fits most.