Rock cave ruins Aquarium Ornament Decoration Decor 6.9" X 2.5" X 4.3" stone HIDE - Ornament is made from non-toxic poly resin 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 - It is suitable for salt and fresh water Measures approximately: 6.9" X 2.5" X 4.3" (17.5X 6.3 X 11cm) (L x W x H ) Use small thread to bundle the moss on the product constitute a nature living environment.