A matrix of tags is provided including a plurality of RFID identification tags, each RFID tag having an identification layer, arranged on an object to be identified, the identification layer bearing at least one antenna and at least one chip including capacity for storing an item of identification data, the identification layer containing a bonding face arranged on a wall of the object; a backing layer, arranged on the side of the bonding face of the identification layer; a transfer layer, arranged on the side opposite to the backing layer relative to the identification layer, the transfer layer being provided for transferring the identification layer onto the object; and a protective layer, arranged between the identification layer and the transfer layer, provided for protecting the identification layer when the tag is put in place; the transfer layer is produced in a single piece for the set of tags.