A cat's need to scratch is instinctive. It helps them to sharpen and remove the dead outer layer of their claws, stretch and flex their bodies and work off energy. The Catit Scratching Board with Catnip provides your cat with a corrugated scratching surface, while helping to protect your furniture from claw damage. Catit Scratching Board with Catnip, Large/Wide. Corrugated cardboard scratching board for cats. Catnip Included.