Cannula tubing is a piece of oxygen equipment that is meant to supply individuals with oxygen through two nasal prongs. The exact length of cannula tubing can vary however the product is meant to fit comfortably and provide a greater degree of freedom in movement. Different forms of tubing are offered to meet prenatal and adult needs with points of differentiation that extend beyond length. These can include the flow rate of the oxygen as well as the focus on user comfort. As a product that is fastened around the ears, comfort can be particularly important. Soft tubing that minimizes the friction of tubes and ear cushions can be used to increase the overall comfort of cannula tubing.