If you're looking for a reliable leash and collar for your furry friend, look no further than this Dogline set. The 4" leash and collar are made from high-quality Biothane material and designed to fit medium-sized dogs. The brand is well-known for its durable and comfortable pet accessories, so you can trust this set to last for years to come. Whether you're taking your pup for a walk around the block or on an adventure in the great outdoors, this leash and collar will keep them safe and secure.