Dimart Super Magical Aquarium Resin Decoration Colorful Bridge Pavilion Tree Rockery for Fish Tank Multicolor A perfect rockery landscape item is recommended for you, suitable for aquarium and fish tank. Made of non-toxic resin material.Be attention: must be soaked in hot water for a period of time before use Made of resin material, doesn't fade, non toxic and safe for your pets and aquarium. Designed with flat bottom, just put it slently then it can stand in your aquarium easily and steadily. Decorate your aquarium all the time with minimum maintenance