Size of collars: 31 inch 21 inch 26 inch 33 inch 39 inch 14 inch 18 inch 28 inch 35 inch medium 30 inch 32 inch 37 inch 17 inch 21-32 inch 34 inch 40 inch 15 inch 19 inch 23 inch 36 inch Small 16-23 inch 25 inch 38 inch 22 inch 27 inch large 16 inch 20 inch 24 inch 29 inch
Use: Search & Rescue Obedience training Training All weather For working dogs Walking and daily use Police/Military K9 training
