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