Caldwell's Pet Supply Co. Hands Free Reflective Running, Walking, Hiking and Jogging Dog Leash for Large and Small Dogs - Black Premium Quality - Like all Caldwell's Original Leashes, this running leash is made of industrial grade polyester. The perfect material for leashes; not only does this polyester provide more strength than you will ever need, it will NEVER ROT OR MILDEW. 100% WATERPROOF. Quick To Put On, Quick To Take Off - Unlike most running leashes today, Caldwell's Original Running Leash uses clips on the belt AND leash extension, making switching between hands-free and in-hand guidance very easy. Get Active - Designed with our most active customers in mind, we've made the ultimate leash for the dog owner who is on the go. There is no better leash for hands-free jogging, walking or hiking with your dog. Safety At Night - We know that most people will be using this product in the later hours of day. With reflective thread throughout, this leash will ensure that you and your dog will be seen by traffic even after the sun has gone down. Caldwell's 100% Money Back Guarantee - If you are not satisfied with your product, please return the it for a full refund, no questions asked.