Margo garden products polished river pebble collection offers the best in quality hand-picked stones from around the world. All stones are tumbled and polished to produce the smoothest and most consistent in color stone without blemishes to last years. This bag is easy to handle and store for adding a beautiful and long lasting accent to your landscape and design. Use polished river pebbles in interior and exterior planters and in creative interior and exterior design. Polish can wear due to exposure to outdoor environmental conditions.