As of 2015, Bella slow cookers come in sizes of 2.5 quarts, 5 quarts, 6 quarts and 6.5 quarts. A smaller slow cooker is usually suitable for singles and couples, while a slow cooker with a capacity of 4 quarts or more tends to be more practical for families.
Those who intend to use their slow cookers in recreational vehicles may prefer smaller slow cookers, while those who frequently host guests at their home or do bulk cooking may benefit from larger slow cookers. Consumers should also decide whether round or oval slow cookers are more appropriate for their cooking needs. Generally, oval models tend to be more versatile for accommodating a variety of foods.