K&h has reinvented the wheel when it comes to cat scratchers! the K&H EZ Mount Scratcher Kitty Sill is the best of all worlds. It utilizes our innovative suction cups to mount to any window. The cardboard surface can be used for basking in the sun or to groom cat claws. Free catnip included! Cat's will no longer want to scratch your furniture with the K&H EZ Mount Scratcher Kitty Sill in their mitts. Helps keep nails healthy. Refill pads are available for purchase separately for years of feline entertainment. Designed by K&H with OVER 20 years of experience in creating safe, innovative, quality products for pets.