When you bring your dog home you will have to buy some dog supplies. Leashes will be one of those supplies if you're planning on giving your dog the exercise he needs. The size of the leash will be determined by the size of your dog. Of course when they are puppies, they are not going to require a leash like they will when they become adults. In the ideal world, our dogs would run free with no attachments, but this is the real world and the leash you place on him could save his life, so they are very necessary. Not to mention that there is a law stating this.
When you buy dog supplies, leashes can be purchased at the same time. There are many good reasons why you should use a leash and collar on your companion. Leashes prevent your pet from chasing things that could lead to danger. It is a good thing to do for your neighbor because not everyone is a dog lover. Also, your dog can run and become lost very easily. Most dog breeds do not object to leashes and even look forward to them as they know a walk is involved. You are always in control of your dog when it's on a leash. 
Again, you use a dog leash for their own safety because it can prevent them from running into a busy street, and most of all because you love and care about him.
When you get your dog supplies, leashes should be at the top of your list. However, there are a few things you should know about getting one to suit your dog. Always get the right size! A small dog will need a thinner and lighter leash than a large dog. If it is too heavy, your dog could find it a bit uncomfortable and not be so willing to wear it even if it means going for a walk. A larger dog will need a leash with heavy hardware to make sure you have full control while taking him out. If you are walking your dog, don't pull and drag him to get him to come. Just walk back and call his name. You don't want to do things that would cause him to not want a leash put on him again.
If your dog likes to pull you, and everyone has experienced this at one time or another, there are leashes on the market that will prevent your dog from doing this. Do some research and see how many beautiful leashes are out there. Some of them are state of the art and you can get anything from the basic collar to the designer collar for your dog. There are leashes for every situation your dog can get you into and more. There are also harnesses that are really cute and very serviceable. Considering all dog supplies, leashes are a very popular item and offer owners a variety of choices.
