The wrist band puts gentle pressure on the two central tendons near the wrist helping to relieve the symptoms of nausea and sickness<br />Use on trains， planes and cars<br />Drug free nausea treatment<br />One size fits all<br />Package Included:x1Pair has 2pcs<br />Color: we have black， grey， white and will send it randomly. Thank you.<br />2Pcs Anti Nausea Wrist Band Sea Travel Morning Motion Sickness Sick Car Plane Sea.