Letti De Sede DE SEDE DS-1155 BED 982902 de Sede de Sede raises its leather expertise to a new level with the launch of DS-1155, a box spring bed in de Sede’s most famous leather, NECK. This cowhide, which is up to 5 mm thick, is unique in the world. A matt surface and deep, striking neck folds give the leather its character, elevating it to the Rolls Royce of leathers. View