Size and Shape: Kidney beans should be uniform in size and shape, resembling a kidney.
Color: The color can vary depending on the variety, but it should be consistent within a batch. Common colors include dark red, light red, and speckled.
Moisture Content: The moisture content should be low to prevent spoilage.
Foreign Matter: Kidney beans should be free from foreign matter, such as stones, dirt, and insect infestation.
