If you often carry your dog in the car, you know how it can be a nuisance when it moves around the cabin. This device allows you to secure your pet in place and keep them and you safe in the event of an emergency on the road. The holder attaches to the seat belt and holds the dog in place, preventing him from falling or running around the cabin. The harness has a certificate of conformity and is completely safe for the pet. The seller has different sizes for both small and large breeds of dogs.