The Allflex Global Large Female Ear Tag (GLF/GSM) is designed for use in both beef and dairy cattle, offering superior retention and durability in even the toughest environments. Its new retention collar allows for easier application and free movement of the male and female tag components, improving overall retention. The self-piercing male tag ensures quick application while reducing the risk of infection. Advanced ink-over-laser marking provides clear, permanent identification that lasts for the life of the animal. Packaged with the Global Small Male tag. Size: 3” high x 2 1/4” wide.