These river rocks are natural lightly polished, come in a variety of natural colors and patterns combining popular natural color and shades such as brown, white, black, red, gray Safe for aquariums, helps soil retain moisture, provides good drainage Add extra beauty to your outdoors: walkways, walkways, water features, ponds, water gardens, exposed aggregate floors or walls and around swimming pools.< /p> Great accent for crafts: aquariums, rock gardens, tillandsia succulents, cactus pot, terrarium, bamboo plants and bonsai Perfect for home decor projects: flower arrangements, centerpieces, vases, bowls, apothecary jars, wedding buffet, displays, hurricane glass pillar candle.