This Product made from Ceramic. Pls handle with care when you receive it. Just raise the item with tap water and product ready to be installed to your tank. Plecoceramics Volcano caves aquarium decoration is made of gray clay firing at high temperature. This makes our ornament absolutely safe for people, aquarium fish and pets. Volcano fish houses can be used for providing hiding places for fish and reducing aggression among them. Fish tank decoration looks very natural inside tank.
