Fi Compatible 3/3+ 1" Width BioThane® Martingale Collar Fi Style:Overlay Constructed with 1" UV Printed

Constructed with 1" UV Printed BioThane® (Pattern printed on one side)

This add-on must be purchased in addition to a 5/8"

and adventure-proof material

This is the style that comes with your standard fi collar and is the recommended fi style for the new series 3+ to ensure you get the most optimal accuracy with its additional behavior monitoring features

please adjust the quantity as needed

Fi Compatible 3/3+ 1" Width BioThane® Martingale Collar Fi Style:Overlay Constructed with 1" UV PrintedTake your dog on any adventure with confidence, thanks to BioThane the 100% waterproof, dirt proof, and adventure proof material. Whether your dog loves to swim, hike, surf, or play in the mud, our BioThane gear is designed to keep up with your dog's active lifestyle. With a range of colors to choose from, you can find the perfect collar to match your dog's personality. Martingale collars are specifically designed to provide more control than a