Sundance BioThane® Collar biothane martingale buckle when tension is applied to

when tension is applied to the chain it can tighten down to approximately 14"

BioThane® is flexible

Constructed with BioThane® in either 3/4" or 1" width

-We can engrave up to 3 lines

Sundance BioThane® Collar biothane martingale buckle when tension is applied toTake 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