Dr. Moss Tree trunk Aquarium Ornament Driftwood poly resin 9.9"L - Decor root Decaying - 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 Measures approximately: 9.9" X 3.9" X 4.5" (25.2X 10X 11.4cm) (L x W x H ) Use small thread to bundle the moss on the product constitute a nature living environment.