The CritterTrail Fun-nel Look-Out is a great way to expand your pet's living space and to create the ultimate habitat. The connectable Look-out attaches to CritterTrail Fun-nel Tubes (sold separately) and creates a 360 degree view for pets. For easy access to your pet, the Look-out features a removable lid that twists off to unlock and remove or twists on to lock securely into place. Look-out is easy to clean, simply twist and remove the lid cover and your ready for trouble-free cleaning. Look-outs are available in a variety of colors so you can create a unique habitat system designed just for your pet. If you can imagine it, you can build it with CritterTrail.