length Disposable Inner Cannula, designed for the Shiley Tracheostomy XLT Tubes. It is flexible, and easily conforms to the patient's anatomy. Shiley XLTIN Inner Cannula is manufactured by Covidien and is latex free. This product is size #60. Dimensions are: I.D. 6.0 mm; O.D. 11.0 mm, Total length 95 mm.