How big is a cross breed between a Jack Russell and a cavalier?

A crossbreed between a Jack Russell Terrier and a Cavalier King Charles Spaniel, often referred to as a Jackalier, typically weighs between 10 to 20 pounds and stands about 10 to 15 inches tall at the shoulder. Their size can vary depending on the traits they inherit from each parent. Generally, they are small to medium-sized dogs, making them suitable for various living environments.