Mega-Arbel® Patio Slab 60 mm gives homeowners the perfectly integrated, but natural-looking hardscapes they desire. some people want the look of flagstone but the uniformity of laying pavers. Mega Arbel accomplishes just that. Its scale is similar to natural flagstone with its irregular shape and textured surface. Each paver is approximately 1.5 sf and approx. 15 x 20. Sold by the square foot in our retail location. The pattern shows how to get started laying the pavers.