Length
Measure from the base of the tail (where it
connects to the hindquarters) up to where the collar sits at the base
of the neck.
Chest
Measure the entire chest (all the way around) at the widest
point of your pet's chest. This is right behind the front legs.
Neck
Measure the neck (all the way around it) at the point where the collar sits.

Teacup
Neck - 6"
Chest - 10"
Length - 7"
Ribbed leg trim 2" long
XX- Small
Neck - 7"
Chest - 12"
Length - 9"
Ribbed leg trim 2" long
X-Small
Neck - 9"
Chest - 14"
Length - 11"
Ribbed leg trim 2" long
Small
Neck - 10"
Chest - 15"
Length - 13"
Ribbed leg trim 2" long
Small/Medium
Neck - 11"
Chest - 18"
Length - 14.5"
Ribbed leg trim 2" long
Medium
Neck - 13"
Chest - 20"
Length - 17.5"
Ribbed leg trim 2" long
Large
Neck - 16"
Chest - 26"
Length - 20.5"
Ribbed leg trim 2" long