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