The portex tracheostomy kit includes a Blue Line Ultra Tracheostomy Tube, 2 inner cannulas, a cleaning brush, and a tracheostomy tube holder. Comes with a 15mm connector, soft-seal cuff and has an inner diameter of 7.5mm (outer diameter of 11.3mm). The cannula itself has an inner diameter of 6.5mm. Latex free. Single-use only.