D&D Home I Love Happy Cats David Cardboard Wall Mountable Curved Shelf - Brown 60X29X24Cm Cardboard wall shelf with designed metal holderPerfect look-out & safe placeMade of sturdy corrugated cardboardCreate your cat wallCombine the 3 David wall shelves for an awesome cat wall!Cats are tree climbers who love to go up high. They need a lookout and feel safer up high than at floor level.