First, write the accurate dog neck size (circumference) without not adding anything.
Our works' experts will take into account all the points regarding the dog neck size.
The dog neck size is the size of the collar at the centre hole (C). You will surely see additional holes each on the distance in one inch to adjust its size if your dog grows (D, E) or gains/loses weight (A, B) .
If your dog is a puppy or young, consider that it will surely grow and write us the age, breed and sex of your dog inthe comments to the order.