These new ASAT Leads are the next generation in K-9 leads. They stay pliable down to -20°F and are not affected by heat until it reaches 300°F. Approved by Police, Military and Schutzhund for extreme use. Looks and feels like leather. Does not stretch. Waterproof, Mildew proof, and Rot proof. 500 lbs. breaking strength on 1/2” leads. 750 lbs. breaking strength on 3/4” leads. No maintenance required. Strong enough to be used as an agitation lead. Easily cleaned with damp wash cloth. You will never go back to leather once you try these ASAT leads