FREE COMBINATION - You can create a U-bend by tethering the two ends and assembled with other tunnels in the same diameter, the tunnel can hold a few cats to play hide and seek, chase through, and sprint at a top speed.The game tube can be easily folded and stored anywhere. More Fun - The cat’s tunnel is made of a sturdy steel frame. When the cat comes in and rolls around, it can still remain stable. Suitable for all seasons, scratch-resistant, for small ,medium and large cats, puppies, rabbits, guinea pigs, etc. for the pet to do indoor exercise, and it also can be used as indoor tent or nest of the pet. 2 HOLES DESIGN - It has built in peep holes allow them to stick their head out and observe the outside that makes it an amazing place to hide and stalk from. The hanging ball equipped with a play tunnel at the entrance adds more entertainment methods,also suitable for two or three cats play together. DURABLE MATERIAL - made of suede is soft and durable, very friendly to your pet. This special fabric can withstand the claws of small animals and can resist frequent movements in daily life. The tunnel play toy can be assembled and spliced into a 3-channel tunnel at will to create a maze for pets. Great Choice for Adult Cat- Large: Length: 51.2”/130 cm, Diameter: 11.8”/30 cm, 2 holes. Large enough for your large or most cats, including fat cats,bunny, rabbits,kitties and other small animals.