Did you know that cardboard is the cat's favorite material? The Sophie sofa from duvoplus made of ribbed cardboard will therefore certainly appeal to every cat. It'll be able to relax on it and sharpen it's nails extensively. The scratching board has a simple design and can easily be placed anywhere in the house. Because the sofa can be used on both sides, it will therefore last twice as long. The sofa can be made even more beautiful by coloring it.