|neck size in cm||neck size in inches|
|S||39- 51 cm||15.3 - 20 inch|
|M||45- 57,5 cm||17.7 - 22.6 inch|
|L||51- 66 cm||20- 26 inch|
Use a measuring tape and put it all around your dogs neck. Make sure you don`t hold it too thight on your pets neck. Leave 2 fingers of space.