“Safe Material: The bristles are made of high-quality soft rubber. Cats can enjoy the pleasure of massage without worrying about being scratched, it’s also safe even for cats that like chewing. Three Installation Methods: The cat wall corner scratcher comb can be easily mounted on either flat wall or corner with screws (included) and adhesive strips (included).Also you can place it on a cage with the cage hanger (include) and flower-shaped nut (include). Besides, you can also directly hold it in your hand. Attract The Cat’s Attention: A small pouch of catnip herb is included for use in the inner brush compartment to attract the cat to grooming for itself. Multifunction: The brush will help remove and collect loose hair, and can be disassembled easily for cleaning.