The tracker’s silicone case slips around a slender collar—it includes Velcro straps for attaching to larger sized collars—and sits evenly versus the neck. From the trackers we analyzed, the Girafus had the bottom profile and was most effective fitted to compact cats. The tracker by itself has been redesigned using https://catsupplies.us/products/reflective-airtag-cat-collar-with-gps-tracker-515