Size Chart - Collars - Tartan Check

To Fit Neck Width
Small
26.5 to 32cm
1.2cm
  10½" to 12½"
½"
Medium
30.5 to 38cm
1.9cm
  12" to 15"
¾"
Large 35.5cm to 46cm 2.4cm
14 to 18" 1"