Fi 3/3+ Compatible - Basic Collar Size (in inches) ***all sizes in stock, pick different widths to see compatible sizes:22 1 inch option - Main

1 inch option - Main collar is 1 inch with a 1

We require two measurements in order to properly size the collar

from colour selection to designing a bespoke engraving pattern for the entire main portion of the clip

These patterns are not customizable

Our most popular collar

Fi 3/3+ Compatible - Basic Collar Size (in inches) ***all sizes in stock, pick different widths to see compatible sizes:22 1 inch option - MainIMPORTANT NOTE Fi 3+ device NOT INCLUDED. This durable biothane collar uses authentic Fi hardware to secure the device and ensure a perfect fit and long lasting reliability. Please ensure you measure your pet prior to ordering as returns or refunds are not accepted for collars that do not fit.