Reptile Cork Bark Substrate,1.5 LB Natural Tree Bark for Terrarium Wood Gecko Climbing Bark Bedding Bulk Habitat Decor for Bearded Dragon Spider Lizard Tarantula Hermit Crab. Natural Materials:Tree bark for terrarium is made of high-quality champagne wood,reptile substrate bark is safe, durable and reusable.The cork bark for reptiles provides a comfortable and natural habitat for reptiles.