Official NAIS 840 Series visual ear tags. Sold in a matched choice set. Includes one 840 RFID e.Tag and one 840 Tamper-Evident Visual Tag as the set. Both tags have the same 840 number. Provides dairyman both electronic and visual identification. Meets permanent identification requirements for registration with the Brown Swiss Association. Available in white or yellow. Tamper-evident construction. Available with management number of you choice. Sold in matched sets of 25 per package. USDA, CCIA, and ICAR approved.