(Allflex) Allflex Global cattle ear tags provide the latest innovations in livestock visual identification. Allflex cattle ear tags are made from polyurethane, making them completely waterproof, durable and snag proof. Improved retention collar design and self-piercing male buttons for easy application and reduced risk of infection. Large Allflex Global ear tags are for beef and dairy use. 3” high x 2-1/4” wide, 7/8” shaft, closed tip.