Curved Curbing Concrete MoldMeasurements: 14"x 4. 5"x 7" On the curved inside the length is 11. 5" The total diameter will be 48 inches (4 feet). * Great for pond edging! * Create inexpensive garden edging * Create fountain base * Double cavity mold creates two curbing pieces at one time * Use inexpensive ready mix concrete * You can add concrete colorants to concrete mix for solid color or use concrete stains on finished concrete to add color if desired