about this product: ?Universal size: 10 pairs acupressure bracelet. Suitable for children and adults with soft cotton. ?Principle: Works by applying pressure to acupuncture points on each wrist using a plastic pad to restore balance to the body.The application of a pressure to this point relieved nausea and vomiting. (Notice: be tight to be useful.) ?Reduce Sickness: Great for reducing morning sickness, pregnancy sickness, seasickness, car crashes, air crashes and any other travel sickness. ?Healthy Treatment: The healthiest way to relieve motion sickness, without drugs or side effects. Simple, safe and natural acupressure technology proven effective. Product Description:Don't let motion sickness ruin your travels, don't let morning sickness and pregnancy ailments get in the way of your day. Whether by land, air or sea. acupressure bracelet can help you and your children reduce nausea and allow you to travel more easily. The wristbands are clinically proven acupressure wristbands to relieve motion sickness and morning sickness, in addition to relieving postoperative and chemotherapy-induced nausea. The effectiveness of the bracelets is based on a traditional Chinese method: acupressure. They work by applying pressure to the acupressure point of each wrist by means of a plastic stud which restores balance in the body. There are no drugs or side effects associated with this clinically tested product. Acupressure has been found to reduce the incidence of nausea by 53% to 23%. Acupressure can soothe and improve your well-being; people can become more cheerful and motivated. How to use: Step 1: Find the appropriate area between the two tendons below the wrist, three finger widths from the first crease of the wrist. step 2: indicate the precise position. step 3: wear the bracelet, put the button on the marking position and press the button for 2 minutes. Note: be narrow to be useful. They are washable and reusable without side effects.