Wreckancient warship Cave Aquarium Fish Tank Decoration Ornament is made from non-toxic plastic ma terial and makes an exciting ornament in any aquarium. Offers the natural environment feeling.Change your aquarium into a beautiful scenery . It is vividly and color detailed to add lively and natural life to your tank. It is great to decorate your aquarium all the time with minimum responsibility and maintenance. They're are absolutely safe for fish and best of all, they won't die, rot or cause any algae problems. It is suitable for salt and fresh water S Size: 9.8" x 2.3" x 6.3" // M Size": 14.5" x 4.1" x 10.2"