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