100% satisfaction : we are responsible for our customers, if you have any questions about motion sickness relief glasses, do not hesitate to contact us at any time, we will do our best to solve your problem and ensure that you will be satisfied with our service. Black technology: glasses for motion sickness do not have lenses, but with a liquid eyeglass circle. The level of this liquid in the circle varies according to the movements of the vehicle and creates an artificial horizon in the user's vision, which resynchronizes the eyes with the balance system. No medication, no side effects. Proven simple, safe and natural black technology. Use: If you are stunned when traveling by car, plane, or sea, please look at an immobile stock such as a book or a mobile phone, then wear these glasses for 10 to 14 minutes. It will ease your discomfort and restore your good condition, the effects will continue. What's more, you can choose to remove it when you don't feel lightheaded. Material: motion sickness glasses are made of safe ABS material, with high arbitrary and antioxidant capacities, can be used for a long time, magnetic adsorption, foldable, removable, small, ultra lightweight, can be transported. Product advantage: motion sickness goggles can be used in a car or boat, while riding, boating, playing rotating games at high altitude, flying, playing portable video games. Effective prevention of seasickness, carsickness, airplane sickness and other travel sickness. With nose pad that ensures that the glasses do not fall off easily and are comfortable for all sizes and shapes of heads.