This is the piece people fall for. An eighteen-inch shelf sits on each side of a fabric bridge, so your cat has room to step on, cross, and step off with a proper resting spot waiting on both ends. Up high, they get the elevated vantage cats crave and a stretch of wall to lounge along.Three lengths cover different walls. The 34 inch version spans five studs, the 50 inch reaches across six, and the 66 inch stretches over seven, all on standard 16 inch spacing. Pick the run that fits and let your cat patrol it.