Biomark PIT tags are the highest performing RFID tags on the market today for fish and wildlife research. These tags are encapsulated in biocompatible glass and provide 100% unique identification. The tags are available in different sizes, performance levels, and packaging options to meet your specific application needs and budget. All Biomark PIT tags are ISO (International Organization for Standardization) 11784/11785 compliant and ICAR (International Committee of Animal Recording) approved.