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