Size of collars: 25 inch 35 inch 26 inch 31 inch 36 inch 21 inch 17 inch 27 inch 32 inch 37 inch 22 inch 28 inch 38 inch 14 inch 18 inch 23 inch 33 inch 39 inch 15 inch 19 inch 24 inch 29 inch 34 inch 40 inch 16 inch 20 inch 30 inch
Use: For working dogs Winter walking Tracking Obedience training Training Vet visit Walking and daily use
