Flat ocean rocks, 20 rock mixed lot. 1 to 2-inch beach rocks, Drill a hole in them to make beautiful Flat Pendants as seen in a picture example, Great for painting or carving to make necklace pendants. Or make Miniature Lush Gardens, Asian Gardens or Terrariums with these unique ocean rocks. These rocks come directly from the ocean and are all-natural so you will need to wash them if you are planning on using them in your fish tanks.