Mdevices Nasal Oxygen Cannulas are designed for facilitating oxygen administration and maximizing patient comfortability. These nasal cannulas are soft, flexible, non-sterile, single use and made from non-toxic medical grade PVC. Their kink resistant star lumen oxygen tubing is green for increasing visibility and helping with the reduction of connection errors. This instrument is easy to administer, available  in a range of sizes and appropriate for infants, children and adults.