Roster is a 4lbs chi he is small. He is still working on potty training and is doing well. He enjoys going places and looking out the window of the car. He dont mind other dogs or cat. It.is advise that with all small breed dogs that small children be monitored by a adult when with the pet. He is 4 years old and thinks he's a puppy. He is not neutered yet but that is included in adoption fee. For the adoption application go to Kentuckypaws.org we do not use Petfinder application.