Collar size: 15 inches (38 cm) 15 inches (39 cm) 20 inches (51 cm) 16 inches (40 cm) 17 inches (43 cm) 17 inches (44 cm) 18 inches (45 cm) 18 inches (46 cm) 23 inches (58 cm) 19 inches (50 cm) 20 inches (50 cm) 21 inches (54 cm) 21 inches (55 cm) 22 inches (55 cm) 22 inches (56 cm) 23 inches (59 cm) 24 inches (60 cm) 24 inches (61 cm) 25 inches (63 cm) 26 inches (65 cm) 26 inches (66 cm) 26 inches (67 cm) 28 inches (70 cm) 28 inches (71 cm) 28 inches (72 cm) 30 inches (76 cm) 31 inches (80 cm)
Features: Assembly chain and carabiner Assembly chain, 2 rings Click-lock buckle Swivel and quick release snap hook Swivel and ring
Standard collar length: 16 inches (41 cm) 19 inches (48 cm) 20 inches (51 cm) 21 3/5 inches (53 cm) 23 3/5 inches (60 cm) 23 inches (58 cm) 25 inches (63 cm)