In order to get the best possible fit for your dog, we need two things from you. Please include his/her accurate weight, and accurate neck measurement in the Options, below. Thank you! .
As seen on PETS INSIDER by INSIDER:
|Medium Sizes:||Medium – A Weight: 11–16 lbs., Medium – B Weight: 16–30 lbs., Medium – C Weight: 30–50 lbs.|