Small Size: Mouth Circumference 4.5'', Neck Circumference 4.7''-10.0'', Mouth Height 1.8''. Medium Size: Mouth Circumference 6.1'', Neck Circumference 5.5'' - 13.4'', Mouth Height 2.4''. Large Size: Mouth Circumference 6.5 '', Neck Circumference 6.7''-15.7'', Mouth Height 3''.
Quantity
Goes well with this item. Each is the same price as on its own page.