More suitable conditions to cats. The left half of the condo is a living area equipped with resting panel; right half is an area for rest and excretion (cat litter boxes available).Rounded corners; Smooth and easy to clean and keep hygienic.Clear Stainless Steel mesh and transparent acrylic door. Easy for users to observe and free of depression for cats.Open/close the horizontal tunnel to excite and interest cats.Size customized for Group Customer. Perfect Performance!