Dimart Super Magical Aquarium Ornament Artificial Mountain Castle Bridge Landscape Decorative Crafts for Fish Tank Blue Made of resin material, doesn't fade, non toxic and safe for your pets and aquarium. Made of non-toxic resin. Safe for fish. Medieval castle with bridge and river, a perfect landscape items for your aquarium and fish tank. Change your aquarium into a beautiful scenery, special details and color will add lively and natural life to your tank. Decorate your aquarium all the time with minimum maintenance