Original de Sede DS44 Two-Seater Buffalo Leather Sofa High-quality DS44 two-seater sofa by de Sede. The traditional Swiss manufacturer de Sede is known for its exceptionally high quality and the use of premium materials. The seat cushions, like the entire sofa, are upholstered in robust and thick buffalo leather and can be extended forward slightly (see photos). Please refer to the detailed photos for the sofa's condition.