Size
Within the size limitations there is no preferred size.

Standard Poodle
The Standard Poodle is over 38.1 cm (15 inches) at the highest point at the shoulder. Any Poodle 38.1 cm or less in height shall be excused from competition as a Standard Poodle. If excused at three shows for this reason, the dog then has the same status as a disqualified dog.

Miniature Poodle
The Miniature Poodle is 38.1 cm (15 inches) or under at the highest point at the shoulder, with a minimum height in excess of 25.4 cm (10 inches). Any Poodle which is over 38.1 cm or 25.4 cm or under at the highest point at the shoulder shall be excused from competition as a Miniature Poodle. If excused at three shows for this reason, the dog then has the same status as a disqualified dog.

Toy Poodle
The Toy Poodle is 25.4 cm (10 inches) or under at the highest point at the shoulder. Any Poodle which is more than 25.4 cm at the highest point at the shoulder shall be excused from competition as a Toy Poodle. If excused at three shows for this reason, the dog then has the same status as a disqualified dog.