Lani BioThane® Collar BioThane Slip-FI These martingale collars include authentic

These martingale collars include authentic Fi end-links to attach to your Fi 3/3+ tracker

**Due to the length & thickness of the chain & hardware we can't make this style collar any smaller than 17"

BioThane® is easy to clean in just a few minutes

For those adventures where you need a little extra control

Lani BioThane® Collar BioThane Slip-FI These martingale collars include authenticTake your dog on any adventure with confidence, thanks to BioThane. 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 and patterns to choose from, you can find the perfect collar to match your dog's personality. Constructed with super heavy BioThane in either 3 4" or 1" width 100% waterproof, anti microbial, & durable making them perfect for