Key features:

1) Patients feel comfortable for silicone materials, solid silicone tube plus liquid silicone cuff.

2) The main tube made of high quality solid silicone with tenacity can reduce the risk of crush or occlusion.

3) Secure seal  for the soft cuff made of liquid silicone to be shaped adapting to the contour of oropharyngeal area.

4) Smooth transition between tube and cuff can reduce intubation trauma.

5) The tip of the cuff is moderate hardness and the surface of the cuff is smooth,  which make it easy to be inserted and safer.