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