Enhance your aquarium with the Fish Gear Cave & Tree Aquarium Ornament. Made from safe and non-toxic material, this natural-looking ornament provides a secure area for fish to hide and swim. With two openings, it also adds to the landscape of your tank. Plus, it can be used in reptile terrariums for added versatility. Provides a secure area for hiding and swimming. Natural appearance adds to your aquariums landscape. Cave has 2 openings. Made of safe, non toxic material. Will not affect water chemistry. Can also be used in reptile terrariums. Dimensions: Approx. 22 cm (8") base Approx. 28 cm (11") height