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