UID provides a complete solution for pet and wildlife microchip identification applications. Compliant tags follow the ISO 11784 and 11785 standards and have been registered with ICAR, which requires sellers to trace ownership. UID offers a safe and convenient solution for identification and tracking. Each ISO tag is verified before shipping for the highest standard available. UID FDX + PIT tags are fully compliant and have the highest quality and read distance of any transponder in the 2.1mm x 12mm size. Smaller and larger sizes are available as well.