Allflex Global Maxi Yellow BLANK ear tags, pkg of 25. The Allflex Global Tag System encompasses the latest innovations in livestock visual identification. This tag offers producers a practical, cost-effective management tool. Excellent for beef and dairy cattle. Designed with improved retention collar. Self-piercing Global Small Male button (included) makes application easy and reduces risk of infection. Dimensions: 4" high x 3" wide. Thanks for looking and have a fine day.