Home Again microchip offer lifetime pet protection and they link to a permanent listing in our national lost pet database. This means anytime/anywhere pet recovery service-no matter how far your lost pet has traveled. The home again call center is staffed with lost pet specialist trained to help pet owner cope with losing a pet. Trained professional available 24/7 to send out lost pet alerts and personally guide you though the process of finding your lost pet. All pets should be chip so when they are loosed they will be able to be reunited with there owner. The chip is the size of a uncooked grain of rice and it has a special number that help identify your pet. If you have any other question please give us a call at 703-941-3100 an we can answer any question you may have.