1.The rubber sleeve on the clip to fix on the spectacle leg, which can slide on the glasses leg ,so you can adjust it to the most comfortable position.
2.The lobster clasp is convenient for fixing the oxygen tube. Just open the button and put the oxygen tube in.
3.Clips attach to nasal cannula tube are durable, conforming and extremely lightweight, easily attach to glasses.
4.Oxygen Tube Clip is designed for keeping oxygen cannula away from your ears and relieving soreness and discomfort associated with long term use of oxygen cannula.
5.If you have any questions about our products, please feel free to contact us. We will solve your problem as soon as possible, so that you will have a pleasant shopping experience.