We intent to provide all customers value products with the best price. Catry scratching post is a high-quality cat corrugate scratcher. We pack the product with 3 to help customers ignore all extra charges. It is good for replacement parts for most of cat trees. All cat trees from our company have the same size of the replacement parts for the scratching pad. Size of 15.4in x 3.9in x 1.5in is good to use individually or to be the replacement parts.