Cable Comfy Perch www.drsfostersmith.com - $10.49 (large) Product Description:Booda has developed the formable perch, made of specially woven, multi-colored cotton that will soothe and exercise tender feet, while adding visual excitement. These perches contain no metal wires, install in minutes and hold shape forever. RattyRat's Review: This particular product is more expensive than using simple plain rope from a hardware store, but comes with the nice feature of bending and holding different shapes. These ropes also have built in connectors making them very easy to install inside a cage. Well worth the extra money. Our rats loved climbing on these ropes. Plus they are machine washable.