Cliff Stone is a semi-jagged, rough-cut dry stack stone designed for a tight fit in lengths of 4″ to 17″ and widths of 1.5″ to 5.5″. The finished product/stone is approximately 1-1.75″ thick. Each mold makes approximately 2.4 square feet if dry stacked and 2.9 square feet with a grout joint. Stone Master’s rubber molds are made from plastisol, which requires no release agent and will last for hundreds of pours. This mold includes recycled plastisol. Made in the USA, both materials and labor. Available in 5 unique versions, with no stone repeats. Matching corner molds are available.