(Scratch N All) Scratch n All™ is perfect for virtually all animals, indoors or out. Self-enriching scratch and grooming pad mounts flat to almost any surface or will bend to ninety degrees. Use one or cover a larger area, as each has four interlocking sides. Quick and easy to install with woodscrews and washers, included. 6”L x 4.5 “W x .75” H.