Jewelers use Labels for years as these tags cannot be torn off by hand. Thus enhancing security and allowing for you to never have to guess the item #, price or description becuase of tags that have been ripped of or fallen off. Pressure sensitive labels. Center of label is free of adhesive and will not mark or soil jewelry. Can be washed in ultrasonic cleaners and will not be affected by steam cleaning. Each box is supplied with marking pen.