The Zoo Med Creatures Natural Cork Decor provides a healthy climbing surface for arachnids, insects, and other invertebrates. This single-piece decoration also provides excellent cover, and may be used to create an area of higher humidity in the habitat (instructions included). Natural cork bark for your invertebrate Great for climbing or hiding Use to create an area of higher humidity in the habitat Note: This is a single piece of natural cork. Because this is a natural product, exact size and shape will vary between 2-5" Wide and 2-5" Long.