Size of collars: 18 inch 26 inch 31 inch 28 inch 33 inch 39 inch 17 inch 30 inch 35 inch 19 inch 23 inch 32 inch 37 inch 34 inch 40 inch 22 inch 25 inch 36 inch 20 inch 27 inch 38 inch 21 inch 24 inch 29 inch
Use: Vet visit Agitation/Attack training Police/Military K9 training Walking and daily use For working dogs Obedience training Training
