When it comes to restraining and securing your dog in your car, the car harness is one way to get the job done. The car harness is sometimes used when you really don't wish to deal with a car seat for your dog. We know you want your dog to be safe and secure while riding with you. A dog restraint will get the job done. Be sure to measure your dog and consult the size chart at the bottom of the product page. These harnesses work especially well for larger dogs that may be too big for a car seat.