pawhut 79 long cat tunnel cat shelter l shape with extendable design cat enclosure for indoor outdoor use with weather protection removable door lead greyFeaturing a long and extendable design, this pawhut kitty toy gives you the option to enhance the tunnel and make your backyard into an animal play centre. This cat cage is versatile. You can form an l shape, expand from the left and right, or even add a cat tent or a catio at the end. Use a pet door or a window to make the tube accessible from inside. Discover endless entertainment.