Jurassic Reptile Bark, A burrow-friendly bark for tropical/forest habitats!  Loose and light enough to encourage natural burrowing behavior, this material promotes the free transfer of heat and moisture essential for the health of cold-blooded pets. Can also be used as a subsurface or surface supplement , or mixed with other substrates such as ABG Terrarium mix. An excellent replacement for cypress, a threatened specise in parts of the southern US and readily biodegradable in a backyard compost at the end of its useful life. Natural, absorbant, and biodegradable Jurassic Reptile/Orchid Bark is an excellent substrate many animals such as tortoises, lizards, snakes other reptiles and amphibians.