Come and see our amazing products. Made of skin-friendly cotton fabric, breathable and recyclable. Features a 3-D shape, comes with a elastic and adjustable earloop, one-size-fits-all, not easy to out of shape. There is a metal nose bridge inside and pocket between the second the 3rd layer, PM2.5 filter could be put into it, website price does not include filter. Pls confirm with us about the packing info, stock color and exact production time before placing your order.