Virgin Cork Bark Rounds are great for pet hides and for a naturalistic look for a vivarium/terrarium. You can also mount plants such as bromeliads, orchids, tillandsias etc. Natural cork bark rounds or half round tubes give reptiles and amphibians natural hiding places and shelter. Cork Bark is ideal for any enclosure, it creates a beautiful naturalistic forest. Our cork bark is heat treated and safe for all pets like hamsters, sugar gliders, tortoises, and tarantulas. Cork bark floats and works great in aquariums for turtles too!