Using this dog leash is easy. Just attach it to your dog's collar and you're ready to go for a walk. When using, make sure the leash is securely fastened to prevent your dog from getting loose. As for maintenance, you can hand - wash the leash with mild soap and water. Then, let it air - dry. Avoid using harsh chemicals as they might damage the soft nylon material. If your dog is particularly rambunctious, check the leash regularly for any signs of wear and tear. And remember, this leash is designed for small dogs and growing puppies, so don't use it for large or overly strong dogs.