The Corner Cat XXL Blackline Dark Grey cat tree is a customer favorite at Cat Tree King. Thanks to its unique design as a corner cat tree, the inclusion of 5-inch thick sisal poles, and an array of relaxation and play options, it's an all-in-one solution for your feline friends. With a mega-sized lounge area, two spacious 18-inch hammocks, and a generous hideaway, the Corner Cat XXL truly transforms into a regal cat palace.