2mm x 12mm Animal microchips with dispensable applicator for each microchip. ISO approved with latest ISO standard 15-digit numeric identification code. Swiss made with a bio-coating to prevent migration. Readable by all ISO standard microchip and most other modern microchip scanners. Suitable for all wildlife, all livestock, horses, dogs and all other breeds. Available in smaller sizes for companion animals, birds and smaller species. GUARANTEED FOR THE LIFETIME OF ANY ANIMAL ONCE IMPLANTED. Shelf life of up to 5 years under normal temperatures.