This set is produced only in leather upholstery. For the production of this soft furniture Italian and Russian leather is used. The filling and the forming material for the soft elements of the seat (for covering the spring block), the back (front and rear) and armrests is polyurethane foam of different density and sizes according to its position in the product. Padding polyester is used as a flooring material for a spring layer between the cover upholstery material and the main forming material that for this product is foam. The 'French clamshell' mechanism is used to transform the sofa into a bed. This mechanism is often installed in the most compact, stylish and fashionable furniture. The mechanism is made of steel and has a 6cm foam mattress located on it. The height of the mechanism in the unfolded form to the upper edge of the mattress is 45 cm. Visible elements of the frame in the Oxford set are made of solid oak. The inner parts of the frame are made of plywood and solid hardwood. In the armchair, under the soft seat element, to create comfort, elastic furniture tape is attached. Using the same tape attached to the rear parts of the frames of the seat and sofa the necessary forms and the base for the upholstery are created. The supports are made of solid hardwood. All the furniture is packed and prepared for self-assembly with clear instructions. All the furniture is brand new and ships in its original packaging.