2 packs the Exo Terra Jungle Vine for Reptiles & Amphibians you can create interesting three-dimensional climbing structures for your terrarium. This realistic-looking vine is bendable and waterproof so you can wind it throughout the terrarium?even underwater?to create a number of different enticing configurations. Twist it together with vines of different sizes for an enhanced 3-D effect. The Exo Terra Jungle Vine is perfect for tree-dwelling reptiles and amphibians because it helps simulate their natural habitat.