Cats need a scratching post that will allow them to get a full stretch. The SmartCat The Ultimate Cat Scratching Post allows the cat to stretch vertically while using the post (important for territorial marking purposes and for toning muscles). The finest materials and workmanship guarantee the scratching post will remain attractive and useful for years. Features and Benefits: Sturdy 16" by 16" base eliminates tipping and wobbling. Fibrous and durable woven sisal naturally inspires scratching. Superior to carpeted posts that may snag nails. Assembles with two included screws. Attractive and neutrally toned.