Be sure to measure your dog before ordering!

SIZE: Extra Smal * 10-11 inch length (collar to base of tail) * 15-16 inch chest (largest part of chest)

SIZE: Small * 12-13 inch length (collar to base of tail) * 17-18 inch chest (largest part of chest)

SIZE: Medium * 14-15 inch length (collar to base of tail) * 19-20 inch chest (largest part of chest)

SIZE: Large * 16-17 inch length (collar to base of tail) * 21-22 inch chest (largest part of chest)