---This hideaway stone is a good cave for fishes to breed, play and rest. Betta, shrimp, guppy, snail...will love it. | ---Suitable for small fishes, easy to clean, good for nitrifying bacteria reproduction which can help to improve water. Also a nice gift for Christmas, birthday, new year, etc, for your families, kids, friends, colleagues. | ---Ceramic material with granite pattern, safe and non-toxic for fishes. No Fading, No smell. | ---No sharp or rough edges, no worry on scraping fins. | ---A cute decorative piece, get it to create a natural and living environment for your fish tank.