Description Proline’s London Cobble Stone will bring the look of an English Garden to your back yard. This pattern offers larger, wider cobblestones that vary in size from 8″ x 9.5″ to a larger stone of 8″ x 8.5″ in a running bond pattern. The benefit of decorative concrete versus natural stone is lower cost, higher durability and inherent strength and endurance. Stamp size 24″ X 36″. Package savings reflected in price.