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