Features: 1.Made of resin material, safe in fresh water or salty water and will not fade, very durable. 2.Ideal for fresh and salt water aquariums, better to decorate your aquarium. 3.A variety of holes to facilitate the passage of fish and shrimp to create a beautiful underwater world. 4.It can pretty up your fish tank and makes your tank look a lot more fun, also catch your fish's eyes. 5.Durable & Steady - the aquarium decor ornaments' flat bottom and its weight is heavy enough to have it stand steadily at one place of your fish tank. Specification: Features: Made of resin material, safe in fresh water or salty water and will not fade, very durable. Ideal for fresh and salt water aquariums, better to decorate your aquarium. A variety of holes to facilitate the passage of fish and shrimp to create a beautiful underwater world. It can pretty up your fish tank and makes your tank look a lot more fun, also catch your fish's eyes. Durable & Steady - the aquarium decor ornaments' flat bottom and its weight is heavy enough to have it stand steadily at one place of your fish tank. Specification: Item Type: Aquarium Decor Material: Resin Color: Gray Size: Approx. 17.5 * 11 * 10.5cm / 6.9 * 4.3 * 4.1inch Weight: Approx. 379g Package List: 1 * Aquarium Decor