1.Used successfully by pilots, Yachtsmen, Divers, Hospitals and Doctors 2.Knitted elasticated wristbands operates by applying pressure on the Nei Kuan acupressure point 3.Contains natural rubber latex, Made in China; 4.Must be worn as pair. 5.Hand wash using soap or mild detergent, air dry 6.One size fits adults and children 7.Immediate Relief! Works as soon as you put it on