Combined with safety and weight reduction, only 35g. Easy to fold, and is detachable. With a special box, it is portable. Has good touch.Please feel free to use. Glasses for motion sickness has no lens but with 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 balance system. No drugs, no side effects. Simple, Safe & Natural Black Technology Proven Effective. Motion sickness goggles are made of imported TPE material, which is Soft-touch & high-performing.It is widely used in baby products.It have strong arbitrary and antioxidant capabilities, can be used for a long time, foldable, removable, small size, ultra-lightweight, travel can be carried around. Anti-nausea glasses can be used by car or boat,riding, boating, playing high-altitude rotating games, flying, playing games, wearable video games. effective prevention of sea sickness,car sickness, aircraft sickness and any other travel sickness. With nose pad which ensures that glasses will not easily fall off and are comfortable for all head sizes and shapes. The motion sickness eyeglasses are framed by four circular rims two in front and one ring on each side.The rims are tubular and filled with brightly colored liquid.the function of the four rings are to ensure range of the eyes Vision. Although it is a simple mechanism, it is effective against 95% of motion sickness symptoms. When you start motion sickness, wear these glasses for 10 to 12 minutes and your motion sickness will disappear.