Pigeon ring is made of ABS material, optional with different colors black/ blue/ red. RFID pigeon ring can be used in water and outdoor environment. It is particularly designed for pigeon tracking and pigeon racing event. This kind of RFID animal tag widely used in poultry identification, animal breed, feed, disease prevention, animal inspection; Poultry information management and tracking; Mainly used for tracking the source of animal and food! Products include: Open type and closed type ring for chicken, opening closed type, and can also used for other birds animal, zoo animal, cock, duck, goose, rabbit, pigeon etc. We can also do the size as per you required Housing: Ultrasonic Welding Protection Class: IP 66 Operating temperature: -25° C to + 70° C Storage temperature: -40° C to + 80° C Color options: Black/ Blue/ Red Size (customized ): 11X12mm (inner diameter 8.5mm) Material: ABS, PP Chips: TK4100, EM4305, HITANG S256 for your options