Every piece of stone used in our decorative stone wall clocks is imported in large lots. These lots are examined by our Pebble artists, and only the most colorful, unique pieces are chosen to be made into stone wall clocks. No two stones look exactly alike, and every piece has its own unique colors and shapes. Our clocks are hand assembled, given an optional, border, and are treated with a light sealant to maintain the color of the stone. Every wall clock has the option of several different faces, borders, and alignments,to accent you walls home decor. These Beautiful Wall Clocks Are Perfect For Your Wall Home Decor.