1" Width BioThane® Martingale Collars Collar Size:18-23" Unleash the potential of BioThane®-

Unleash the potential of BioThane®- Whether your dog loves to swim

featuring durable plastic buckles to keep it lightweight and allow your pup to move freely and easily

The Series 3+ will still work with the overlay design for GPS tracking and fitness

Give them the gift of choice with a SeaFlower Co gift card

1" Width BioThane® Martingale Collars Collar Size:18-23" Unleash the potential of BioThane®-Martingale collars are specifically designed to provide more control than a standard collar & (when fitted properly) will prevent your dog from escaping or backing out of their collar due to the cinching function. While martingale collars don't prevent pulling, they are an excellent training tool for teaching your dog good leash manners. They are highly recommended by trainers as the go to collar choice. Please be sure to follow our "how to measure"