Side Release (Buckle Collar) and Buckle Martingale Measurements
NOTE: When choosing the size you need, Buckle Martingales "run larger" in sizing because the buckle takes up some of your adjustment space. For Buckle Martingales ONLY, choose the smallest size that still fits.
Martingale Collar Measurements

This dog collar measurement chart illustrates the 3 areas you must measure in order to select the correct size for a martingale collar.
- Measurement A: All the way around the head at the largest point
- Measurement B: Right behind the ears (the smallest part of the neck)
- Measurement C: Where the collar sits
Note: If you are ordering a Martingale Collar, you will need measurements A, B, and C. Use the largest measurement to choose the appropriate size.