In other words, choose the smallest size that will still fit your dog. If your dog has a 15 inch neck, choose the Medium, which is adjustable from 13-18 inches rather than the Large, which is adjustable from 15-20 inches.
example of most common sizes
x-small
8-12" small
12-16" medium
14-16" large
16-20" x-large
20-26" 1x
26-34" SPECIFY LARGER SIZE:
SIZES OVER 34"












To
measure your dog for a
Martingale Collar, use a soft
tape measure or a piece of
string and take the measurements
at point
A

