Pet Size Chart
Size  Neck Chest Length
Weight
(in inches) (in inches)
Extra Small 6"-9" 8"-11" 7"-10" 2-6 lb
Small 8"-12" 13"-16" 11"-13" 8-13 lb
Medium 11"-14" 16"-19" 13"-15" 14- 23 lb
Large 13"-16" 19"-22" 16"-18" 24-32 lb
X-Large 14"-18" 21"-25" 18"-21" 32-50 lb
XX-Large 18"-22" 26"-33" 22"-27" 45-95 lb
XXX-Large 22"-26" 34"-40" 26"-30" 90-185 lb