The quetsches must be firm, smooth and shiny, without stains or bumps. They must be the same size and the same color. Quetsches must be uniform, without pale or brown spots. The color can vary depending on the variety, but they must be dark and shiny. Mûre quetsches must have a soft and fruity smell. If the smell is strong or acidic, it may indicate that the quetsches are not ripe. Mûre quetsches should be firm under the pressure of the fingers, but not too hard.