The post is mounted vertically in a wide base, which allows the cat to stretch upward on its rear legs and scratch freely without tipping it over * Very easy to assemble with instructions included. It can also be easily vacuumed with a hose attachment which is very convenient * Very Sturdy & Well made. Great for extremely active cats. Your Kitty will give it a big five paws up * Cats absolutely love it * Dimensions: 55X35X82 CM Color: Blue & White