Bless your fish with the Penn Plax Seashore Cathedral Aquarium Decor - Medium. This fantastically detailed cathedral offers fish a perfect spot to hide as well as an obstacle to swim around. It"s beautifully crafted of non-toxic resin. * Made of high-quality resin * Designed for both fresh and salt water aquariums * Non-toxic and fish-safe * Makes a perfect addition to your aquarium * Dimensions: 12L x 10W x 7H in.