Material: 3-ply, full length PVC concealed nose piece, BFE >99%, PFE>99%, latex free, resistance to penetration by synthetic blood -120mm Hg
Color: white, blue, pink, green, yellow, purple etc
Size: for adult: 175x95mm for children: 145x90mm
Package: 50pcs/box, 40boxes/carton, ctn size: 52x38x750px,Gw/Nw:8/7kgs