Water and ice, fully functional under any conditions and over any terrain Biothane is a highly durable and long-lasting leather alternative material Thoroughly tested by Police, Military, and Civilian handlers Require absolutely no maintenance and resist picking up stickers, thorns, and goatheads 1/2" width possesses 500-pound tencile strength Made in the USA These leather alternative leads are impervious to water and ice, fully functional under any conditions and over any terrain. If the lead drops into a puddle, lake or river, no problem, just grab it and go. And the feel, better than leather. You've got to try it to believe it. Like all Ray Allen leads, these are thoroughly tested by Police, Military and Civilian handlers. They require absolutely no maintenance and resist picking up stickers, thorns and goatheads. The 1/2" wide material possesses 500 pound tensile strength and the 3/4" wide material possesses 750 pound tensile strength. Features bolt snap hardware.