Ply type:3ply Style:Ear-loop Colour:green,bule,white,pink,yellow. SIZE:17.5*9.0/9.5cm Material:PP+filter+PP Weight:20+20+25g/m ,25+20+25g/m,28+20+28g/m Package:50pcs/box;2000pcs/carton Box size:18*10*7.5cm Carton size: 52*38*30cm Product advantages: Good air permeability,high rate of dust-proof,filter,the unique design of the shape of the nose with good belt clip and ear to ensure a good close together with face. Apply to:health,beauty,food hygiene,electronics,dust-free clean room,and other health establishments. Effectively prevent or reduce the occurrence of disease. We can make products according to your requests of various colors,specifications,thickness.