Retaining Block Concrete Mold Set 3001 Plastic Mold use with concrete for making your own borders Each order comes with easy to use basic instructions Finished piece 7 1/4 inches by 11 inches across 3 3/4 inches Tall Make your own decorative blocks with this Textured face Retaining wall block concrete mold set 3001 makes some beautiful concrete blocks. Use this mold with your own concrete mix to create your own borders and walls around flowerbeds, patio areas and more. Retaining wall block concrete mold measures 7 1/4 inches and 11 inches across, height is 3 3/4 inches All of our molds can be used with concrete, cement, plaster, soap and resin. Comes with basic instructions for creating your pieces. Our molds are made of several different blends of polyethylene plastic which allows you to use the molds over and over. Our plastic is somewhat flexible so it allows for your finished pieces to be removed from the molds easily. This is a mold to pour into to make your own stones.