1 Pair Adult Children Wristbands Portable Wristbands for Travel Plane Bus WhiteItem Type: WristbandMaterial: PolyurethaneQuantity: 1pairSize: Approx. 5 x 3 x 0.5cm / 2 x 1.2 x 0.2inchWeight: Approx. 8gHow e: Place on the inside of the wrist with the button facing down. Wear with both hands and press the button for 1-2 minutes.