Petlinks Silly Chute Cat Tunnel 3 in 1 66 cm It is a 3-in-1 tunnel that extends 20 inches long when your cat plays with it. One of the advantages of this tunnel is that it can withstand all types of play, as it is not interrupted or damaged, which means that it can withstand your cat’s enthusiasm. It provides cats with an inactive finish that inspires them to race and wrestle. Excites cats with endless jumping, playing, batting and hiding. Satisfies your cat's innate desire to hunt.