Fi Compatible 3/3+ 1" Width BioThane® Martingale Collar Fi Style:Overlay & and learn at a

& and learn at a distance- while staying safety connected

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

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

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

Fi Compatible 3/3+ 1" Width BioThane® Martingale Collar Fi Style:Overlay & and learn at aTake 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