BioThane® Collar With Quick Release Buckle patterned biothane slip with buckle-Fi The in-line fi style (only

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

Fi 3+ models: For optimal accuracy with the new Series 3+ Behavior Monitoring features

Due to the length & thickness of the chain we can't make these style collars any smaller than a 15-19" size range

Please be sure to follow our "how to measure" guidelines below to ensure you get the perfect fit

BioThane® Collar With Quick Release Buckle patterned biothane slip with buckle-Fi The in-line fi style (onlyTake 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 to choose from, you can find the perfect collar to match your dog's personality. Constructed with standard beta BioThane in either 3 4", 1", or 1. 5" widths 100% waterproof, anti microbial, & durable making them perfect for