Manufactured by Trovan in Europe, AKC Reunite Indigo 134.2 kHz/ISO/International microchips are seamless, 100% bioglass encapsulated transponders with no plastic parts. This seamless design helps ensure the lifetime integrity of the microchip, and its parylene coating prevents migration. Our all-in-one syringe delivery device also features medical-grade needles that are arguably the sharpest in the industry.