A kind of sticker used to identify products and manufactured by X-ident GmbH of Düren. The labels are made of paper or plastic foil and, depending on the type, contain a transponder from the Philips® I-code series or the Tag-It series from Texas Instruments. The size of the labels varies from between 5.5 by 10.5 centimeters to 10 by 15 centimeters. The stickers are available on rolls and can be printed using a special printer, which can also apply data for their application.