The Exo Terra Forest Branch Reptile Terrarium and Aquarium Décor is a natural-looking branch ornament made from safe, non-toxic materials, designed to simulate the twisting limbs found in forest habitats. The Small is perfect for smaller reptiles while large or Medium is ideal for larger reptiles. Both sized options work very well in any tropical aquariums adding to detain and your aquascaping needs. It provides climbing and perching opportunities, increasing vertical space usage for arboreal species. Each branch has a unique shape to create an authentic terrarium landscape, and multiple pieces can be used to construct a complex climbing network. Available in Multiple Sizes