Features:
• Tapered ends for comfortable fit
• Center posts for optimum visuals during leash walking
• D ring for optional leash attachment.

12" collars have 2 rows of jewels and are 3/4" wide
14" - 16" collars have 3 rows of jewels and are 1" wide
18" collars have 3 or 5 rows of jewels ( as specified)
        3 row collars are 1" wide
18" & 20" collars have 5 rows of jewels and are 1.5" wide

Sizing is measured end to end. Measure your dog's neck and add 2" to the measurement for collar size