This is a band that presses on the Nei-Guan acupressure point. It is said to be effective for morning sickness and motion sickness. This is a set of two, one for adults and one for children. We will ship quickly via Mercari delivery. These wristbands are effective in preventing the discomfort of morning sickness during pregnancy, seasickness, and motion sickness. Simply wrap it around your wrist, and the protrusions press on the acupressure point to prevent nausea and reduce discomfort.