Supa Treasure Chest is a beautifully aquarium decoration with superb detail Made from high quality non-toxic polyresin, which is fish safe and will not affect the water quality of your aquarium. Designed to enhance any aquarium or fish tank. Provides a place of sanctuary for small fish to hide. Suitable for coldwater & tropical aquariums and fish tanks. Dimensions: Approx 6cm(L) x 7.5cm(W) x 6.5cm(H).