PRESTA PST-134616, 16 oz, Leather Conditioner, Multicolor The PRESTA PST-134616 Leather Conditioner revives tired, hardened, and soiled leather, restoring it to supple beauty. The non-greasy formula cleans and conditions all leather surfaces, restoring a rich, lustrous gleam. This product is ideal for maintaining the quality and appearance of leather interiors in trucks and other vehicles.