Size of collars: 16-26 inch 25 inch 34 inch 40 inch Small 15 inch 18 inch 22 inch 36 inch 24 inch 27 inch 38 inch 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
Use: Training All weather Obedience training Walking and daily use Police/Military K9 training For working dogs Search & Rescue
