Smart Anti-Motion Sickness Glasses, Ultra-Light Portable Anti-Nausea Glasses, Raised Airsickness Glasses for Sports Travel Game, Lensless Liquid Glasses for Adults PRODUCT ADVANTAGE: Motion sickness glasses can be used in car or boat, riding, boating, playing high altitude rotating games, flying, playing games, handheld video games.effective prevention of seasickness, motion sickness, motion sickness and other motion sickness.With nose pad that ensures the glasses will not fall off easily and are comfortable for all head sizes and shapes. MATERIAL: The motion sickness protection glasses are made of safe ABS material, with strong arbitrary and antioxidant capabilities, can be used for a long time, magnetic adsorption, foldable, removable, small size, ultra-light, thetravel can be carried. BLACK TECHNOLOGY: The motion sickness glasses do not have a lens but with a circle of liquid lenses.The level of this liquid in the circle varies according to the vehicle's movements and creates an artificial horizon in the user's vision, which resynchronizes the eyes with the balance system.No medications, no side effects.Simple, safe and natural black technology proven effective. USE: If you feel dizzy when traveling by car, plane or sea, please look at a stock-still/still like a book or cell phone, then wear these glasses for 10-14 minutes.It will relieve your discomfort and restore your good condition, the effects will continue.Additionally, you can choose to take it off when you don't feel dizzy.