Biothane leads are waterproof and fully functional under any conditions and over any terrain. If your bird dog drags this leash through a puddle, lake or river, no problem, just grab it and go. You've got to try it to believe it. Like all Ray Allen leads, these are thoroughly tested by professional trainers. They require absolutely no maintenance, will not tangle and resist picking up stickers, thorns and goatheads. This 6-foot lead is available in 1/2" or 3/4" width, The 1/2" wide material possesses 500 pound tensile strength and the 3/4" wide material possesses 750 pound tensile strength. Comes with an additional attached 12" handle starting from the snap.