This is a super easy to use chest straps， do not Le neck not clip hair， adjustable length range， regardless of fat and thin can be suitable， chest strap to better protect the dog in the growth and development of the body from harm， while But also solves the dog with trachea can cause damage to the shortcomings of the trachea， portable design can also facilitate the training of dogs. Love her let her use chest strap! . .

Size chart (weight for reference only， as far as possible to bust size prevail!)