PRODUCT ADVANTAGE: Motion sickness glasses can be used by car or boat, flying, playing games, wearable video games. Effective prevention of sea sickness, car sickness, aircraft sickness and any other travel sickness. This product is comfortable for all head sizes and shapes. When you feel dizzy, please stare at your phone or other stationary objects, then put on your motion sickness glasses and wait for 10 minutes, you’ll feel much better after that. THEORY: Glasses for motion sickness have no lens but with a liquid glasses circle. The level of this liquid in the circle varies according to the moves of the vehicle and creates an artificial horizon in the user's vision, which re-synchronizes the eyes with the balance system. Technology Proven Effective. MATERIAL: Motion sickness goggles are made of safe ABS material, with strong arbitrary and antioxidant capabilities, can be used for a long time, Ultra-light and foldable make it more convenient to carry. Travel can be carried around. The package also includes a stylish glasses case for easy storage. UNIVERSAL SIZE: Suitable for adults and children. If you feel that the initial size is inappropriate, you could bend the frame freely to adjust the size. ABS materials have high flexibility, so don't worry about breaking. MAX EFFICIENCY: Currently, more than 95% percent of users say they have a positive effect. However, for people in very serious situations, motion sickness goggles do not eliminate the symptoms 100%. The blue liquid in the carsick glasses flows according to the bumps of the vehicle. Thus, artificial horizons are created on the front and sides of the field of view without interfering with central vision. The movement of fluid in motion sickness glasses harmonizes visual information with cochlear signals. If you are dizzy, stare at a stationary object and wear the anti-motion sickness glasses for about 10 minutes. It will relieve your discomfort and restore your well-being, reducing dizziness.