The Ancol Black Nylon Harness (Extra small) is ideal for owners who want more control over their dogs when taking them for walks as the harness will provide support under your dog's chest and will help to prevent them from pulling on their lead. The dog harness is made from silky nylon which is soft strong and completely waterproof. This exercise harness is designed with strong heavy duty fastenings to ensure the maximum strength and safety of your dog.