NAMED TOP 8 CAT PRODUCTS REVIEWED IN 2016 BY FLOPPYCATS! The Felix Tall Cat Scratching Post stands approximately 28″ high and is recommended as it gives your cat extended surface to scratch and exercise. The post is handmade using natural sisal, certified organic catnip, and real wood that is certified by the Sustainable Forestry Initiative. The base is 16″ x 16″ and the top is 8 3/4″ x 8 3/4″. The top and base are made of real birch wood. Assembly required.