There is a hole in the middle of the channel, oval, and 2Colors. Material: Nylon, not easy to stick hair, can be washed in 30℃ water. Dimensions of Channel: 87*23cm/34.25*9.06inch (L*Diameter); Dimensions of the hole in the middle: 24*11.5cm/9.45*4.53inch (L*W) Suitable for your cat, dog, puppy, etc. Your pet can hide or have a rest in the channel When the cat drilled on the inside, the fabric may sound. When not playing, they can be easily folded up and stretching, housing design does not occupy space. A hole in the middle may be a plurality of Solitaire, one end of the hole can be closed to do the rest of the cat shelter.