5/8" Biothane® Fi compatible collar (S3 only)

This size is for our smaller customers. Only available for the Series 3! Spice up your Fi adventures with our biothane Fi compatible collars! They are stink proof, water proof, and stain resistant. Easy to install and you can charge the unit without having to take it off.  The collar has biothane all around the neck to prevent any irritation that can be caused by the unit and provide a more secure option. *Smaller sizes (<16") will have shorter straps holding the unit in place. *Matte black hardware is coated and more prone to scratching. Sizing guide:   How to swap out your unit to our collars: Series 3