Weight
62+ lbs (28+ Kg)
Neck Circumference
16-24.5 inches (40-62 cm)

Weight
22-62 lbs (10-28 Kg)
Neck Circumference
10.5-18 inches (26-46 cm)

Weight
8-22 lbs (3.6-10 Kg)
Neck Circumference
8-12 inches (20-30 cm)

Weight
8-22 lbs (3.6-10 Kg)
Neck Circumference
8-12 inches (20-30 cm)