(at around 2 mins) Among the cans of fish that Sylvester finds in the kitchen cabinet are several "Star-Kist Tuna". StarKist (without the hyphen) was and still is a real brand of canned tuna.
The title shot shows a can of FARREN'S FINE CAT FOOD. Jack Farren was an uncredited assistant animator.
The kitchen shown sports the very latest in accessories, including a Sunbeam mixmaster with attachments. The adult cinema audiences would have noticed and appreciated this attention to detail. In fact, everything shown in this film is drawn in careful accuracy, a hallmark of the golden age of animation.
California was one of the more popular vacation destinations of the mid century era. It promised beaches, palm trees, and the allure of the entertainment industry.