Adjustable leash Moxon made of Biothane - leash and collar in one. Biothane items are practically indestructible. Still, the suppleness and feel of real leather are there. Properties: absolutely tear and pull-resistant, waterproof, washable. Weather Resistant - can sit out in rain and dirt for days, stays supple to the touch, antibacterial, mold free. Weatherproof, refined fittings. Neck infinitely adjustable by means of a "stopper".