2.5-10.0 mm wiht/without cuff Made of medical grade PVC. Fitted with 15 mm standard connector. Smooth and soft tip aids atraumatic intubation. Full-length radio-opaque line. 1 cm graduation markings. 2 cm indicator mark. Pilot balloon with integral one-way valve. Murphy eye, High volume, Low pressure Cuff, ORAL/NASAL. Special designed cuff and unusual bonding process help smooth intubation. Sterilized with ethylene oxide. Single use only. Sterile unless package is opened and damaged. Protect from direct exposure to light. Keep in cool and dry condition.