To meet the U.S. Department of Defense Unique Identification (UID) permanent marking requirements, Zebra has the thermal transfer label printing solution you need. Cost-effective thermal transfer printers, label design software, and durable media from Zebra will enable you to quickly and accurately encode and print the Data Matrix bar codes necessary for Unique Item Identification (UII) labels. For further information, click on the link below:http://www.zebra.com/id/zebra/na/en/index/industry_solutions/applications/asset_tracking/unique_identification.html