100% Natural Herb Treatment??No pills or side effects</br>Safe for kids up to 4??Not used by Pregnant and Surgery body.</br>Easy to apply and Painless to remove.</br>Attach 10 minutes behind ear before the travel??last about 1-3 days</br>Small and Light packing for best travel partner.</br></br>Product Description</br></br><b>Working theory</b><br> 1.Adjust the control of the vagal nerve to gastrointestinal tract?? inhibit the motility of the gastrointestinal ?? thus preventing nausea and vomiting.<br> 2.By expanding the capillaries of the skin ?? to improve the microcirculation of body and increase the amount of oxygen to brain ??thus comes to