1 of 2 people found the following testimonial helpful.
Z No-Snag-Tag w/Laser Print - Calf
Posted By: Samuel (DELTA JCT, AK) Apr 23, 2009
These really work. Have not lost one yet off of a calf even after a whole year. However, make sure to use the calf size not the cow size. The cow size really only work on full grown animals. The calf size is best for newborns.