SIZE M:
• Neck Girth: 11.8–17.7 inches (30–45 cm)
• Width: 1 inch (2.5 cm)

SIZE L:
• Neck Girth: 15–21.7 inches (38–55 cm)
• Width: 1.2 inches (3 cm)

SIZE XL:
• Neck Girth: 17.7–25.6 inches (45–65 cm)
• Width: 1.5 inches (3.8 cm)