Quick-change artist: feel-good oasis with bed function Jill, the new reclinable sofa from Franz Fertig, is both a sofa and a sofa bed. Customers can put the sofa together however they like and choose from different bases and feet, upholstery options and armrests, fabric and leather, various colours and sizes. Jill can be used in all sorts of settings: as a couch for the living room or lounge, as a suite or even as a comfortable seating option with bed function in hotels.