The nebulizer mask is made of clear, medical grade PVC Capacity for Operation at horizontal position : 6CC Desinfected with boilded water (Only for jar) With adjustable nose clip, elastic strap with/without latex Optional Color: Transparent green, white or light blue LengthL 2m tubing, customized length is acceptable Anti-crush tube can ensue oxygen follow even if the tube is kinked. Package: Individually Poly bag 50 pcs/Ctn (100 pcs/Ctn)