Fi Compatible 3/3+ BioThane® Collar With Personalized Nameplate UV biothane martingale buckle Send us an email to

Send us an email to request a specific length

The in-line fi style (Only available for 3/4" and 1" collar widths) is where the end links are attached inline with the collar band

The overlay fi style gives your Fi device extra protection

We believe screws are the most durable as the threads are tightened & reinforced to ensure your lead will never come apart

**This style collar is best for XL+ breeds

Fi Compatible 3/3+ BioThane® Collar With Personalized Nameplate UV biothane martingale buckle Send us an email toTake 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. Constructed with authenic BioThane in either 3 4", 1" or 1. 5" width 100%