Dimart Blue Medieval Castle Hand Painted Detailed Aquarium Ornaments Decoration for Fish Tank(Contian of A Gift-High Imitation Lionfish Landscaping Ornament) Ornament is made from non-toxic resin material and makes an exciting ornament in any aquarium. Change your aquarium into a beautiful scenery. They're are absolutely safe for fish and best of all, they won't die, rot or cause any algae problems. It is great to decorate your aquarium all the time with minimum responsibility and maintenance. It is suitable for salt and fresh water,and you will get A Gift-High Imitation Lionfish Landscaping Ornament,thanks.