Abstract: An article useful for the conditioning of clothes in an automatic laundry dryer during the drying cycle is produced which comprises a flexible polyurethane foam substrate impregnated with an effective amount of a conditioning agent and which has on at least one surface thereof a pattern which is substantially totally removed from the substrate during the drying cycle thereby indicating to the consumer or user of the article that the conditioning agent has been substantially completely removed from the article during the course of the drying cycle.