Cavalier King Charles Spaniel Gifts For Dog Lovers - The Cavalier King Charles Spaniel is a sweet, friendly, gentle natured, little dog with a large slightly rounded head, dark expressive eyes, greatly feathered ears, and a black nose. The Cavalier King Charles Spaniel is a great choice for an indoor dog because of the breed's easy going personality. Plus, these charming dogs are cheaply fed, need little grooming, and get along well with other dogs. Our charming Cavalier King Charles Spaniel gift picks begin below.