All straps are fully adjustable for a custom fit in sizes to fit any breed. These are super comfortable, easy to fasten and machine washable!
Sizing Guide for Harnesses
 
Extra Small Fits Girth: 9-13"

Small Fits Girth: 12-21"

Medium Fits Girth: 17-30"

Large Fits Girth: 21-36"
 
Extra Large Fits Girth: 26-44"