Great Wall&nbsp;Aquarium Ornament 6" - Decoration Cave Wood Fish Tank - Ornament is made from non-toxic plastic material 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. Measures approximately: 6" X 3" X 3.5" (15.2X 7.4X 9cm) (L x W x H )