Supercollar&reg; Dog collar EACH high-tech coated steel cable has a break strength of over 100 pounds! The retractors are waterproof and self-cleaning. Dirt and sand will not clog the retractors because of the patented debris flushing technology. Multiple holes permit you to fine tune the fit for your dogs comfort and safety. The supercollar is made in the USA! A portion of supercollars proceeds are donated to pet, working dog and disaster relief organizations.