Our product uses the framework of oak, birch, rubber wood, ash, pine and other natural wood; the bottom of the cushion is MDF board, springs and elastic band; the padding is sponge and the cover uses top cow leather, bonded leather, PU, PVC, and etc. Owing to the perfect plus materials, sophisticated sewing, elaborated design and the thoughtful saving space, toghther with the soft sponge, our prodcts can bring you back to nature.