<p>" CritterTrail Fun&#045;nel Tubes attach directly to each other and to the inside and outside of your CritterTrail home&#046; If you can imagine it, you can build it with CritterTrail Fun&#045;nels! The tubes are available in four colors and in a variety of shapes and sizes so you can create a huge playground for your pet&#046; Our 10"" Tube is perfect when expanding from the roof top of your CritterTrail home&#046; The 10"" tube provides a safe climbing way into and out of CritterTrail homes&#046; With CritterTrail Accessories, your imagination is your only limit&#046;"</p><ul><li>"10""L x 2&#046;25""W"</li></ul>