XS size measures from base of neck to top of tail - appox. 23", circumference around body is approx 22", neck length is approx. 7"
S/M size measures: from base of neck to top of tail - approx 25", circumference around body is approx .24", neck length is approx. 10"
M/L size measures: from base of neck to top of tail - approx. 27"; circumference around body is approx. 26", neck length is approx. "