NOTE: Please allow some slight color difference as different lights and monitors always show different colors.And if you have any question please contact us.Thanks for understanding! Features: Material:Plastic Size:90 x 16 mm Packing List:20 pcs * Forehead Strip Thermometer(do not contain any others)Direction: 1.Washing your baby head and wiping the forehead before use. 2.Putting the back of production on your baby's forehead. 3.Reading the color of the production.