The Allflex® Global Hog Male Ear Tag System is the world's #1 livestock identification system for swine farmers. The hog male tags have a longer stem allowing for higher placement in the ear making it easier to apply. Allflex hog ear tags are made from polyurethane, making them completely waterproof, durable, and snag proof. Tag Dimension: 2-1/4 x 1-1/2 Lays flat to resist snagging and chewing Often used in combination with Global and Tamper-proof small female tags Packaged standard with Global small female Allflex ear tags come 25 tags/pkg.