Great as a stand alone item or landscaped in a group, this Marina Naturals Foreground Rock & Plants creates that beautiful, natural environment for your aquarium, Made from safe, non-toxic material that will not affect your water chemistry, Marina Naturals Foreground Rock & Plants Aquarium Ornament Features and Benefits:, - Secure placement in your tank, - Creates an under the sea appeal, - Safe and non-toxic-won"t change your water chemistry, 5"" length x 3"" width x 2, 5"" height SKU: RCHG0159