Fi Compatible 3/3+ 1" Width BioThane® Martingale Collar Fi Style:Overlay please adjust the quantity as

please adjust the quantity as needed

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Constructed with authentic beta BioThane® in either 3/4"

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

& the fi link connector piece can be customized with any of our BioThane® solid color options

Fi Compatible 3/3+ 1" Width BioThane® Martingale Collar Fi Style:Overlay please adjust the quantity asTake 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