Datamars Z Tags 1-piece Pink Blank Calf Tag 25pkZ Tags No Snag Tag Superior Retention Outstanding Readability Easy Application No more torn ears Reduced risk of infection Pink Blank Calf Tag 25 pk 7002500 377 The original Z1 No Snag one piece livestock ear tag, was introduced more than 25 years ago, and its still the best one piece ear tag you can buy. Our foolproof one piece ear tag design ensures that the back of the tag wont snag, pull out or break off. Dark printing and a long neck make Z Tags