Design incorporates a special, soft PVC formula which allows tube to be even more compliant to a childs airway and less likely to cause trauma during intubation.Includes a distinct distal tip mark which serves as an aid during intubation Length from distal tip to end of mark varies with tube size charted below Smooth, molded, gently cupped tip minimizes trauma during intubation Oral/Nasal length available with Murphy Eye or Magill style Individually packaged sterile, 10 per case