<p>18 Pounds Black Pebbles Aquarium Gravel River Rock, Natural Polished Decorative Gravel,Garden Ornamental Pebbles Rocks,Black Decorative Stones,Black Pebbles,Polished Decor Gravel for Landscaping</p> <p><br></p> <p></p> <p></p> <p></p> <p><b>Specification:</b></p> <p></p> <p><b>Color: Black</b></p> <p><b>Weight: About 18.3 pounds</b></p> <p><b>SIZE: About 0.56"- 1.07"</b></p> <p><br></p> <p><br></p> <p></p> <p></p> <p></p> <p>Round and Smooth: These pebbles are easy on the feet as there are no sharp edges. Because of the shape, river rocks provide good drainage and is very attractive at the same time. River rocks are used in flower and garden beds and on walkways for erosion control.</p>