Datamars Z1 No-Snag-Tags™Fast, easy and safe to apply, with superior retention. Height Width Cow 4 3 8" 3" Long Neck Calf 3 7 8" 2 1 2" Hog 1 1 2" 2 1 4" Calf 3 1 4" 2 1 2" Small Animal 2 1 4" 1 3 4" Printing Options Laser Print No Fade Ink Marker Product Features Designed for superior retention with a flexible material ensuring that the tag will not snag and pull out, or break off Exclusive self piercing tag tip makes a clean, precise incision to promote faster healing