The Allflex Global Medium Female Ear Tag (GMF/GSM) is designed for use across a wide range of livestock, including calves, hogs, goats, sheep, and ostriches. It features a new retention collar for easier application and free movement of the male and female tag components, improving long-term retention. The self-piercing male allows for quick application while minimizing the risk of infection. Engineered for durability in even the toughest environments, it also includes advanced ink-over-laser marking that remains readable for the life of the animal. Packaged with the Global Small Male for complete application. Size: 2” high x 1 5/8” wide.