Slightly harder rosin than Hill Dark Rosin. Less sticky that a light rosin, and can be cleaned off the instrument easily. This rosin is wrapped in a padded velveteen shell. Suitable for violin and viola. Slightly harder rosin than Hill Dark Rosin. Less sticky that a light rosin, and can be cleaned off the instrument easily. This rosin is wrapped in a padded velveteen shell. Suitable for violin and viola.