This cork bark is made of natural materials, perfect for creating a naturalistic habitat for your reptiles, amphibians, and arachnids. The half-rounds provide secure hiding places and natural shelters, while full-rounds can be used lying horizontally as shelter, or standing upright as a plant holder. This cork bark is easy to cut and customize to the size and shape of your terrarium. It's suitable for all species, providing safety and comfort and promoting their health and wellbeing.