These hand-made window patterns are made from stone mosaics, each piece fits into the next like a perfect puzzle. Its stunning design and unique pattern of rectangle and oblong octagons will bring warmth and a natural ambiance to your home. The mesh backing not only simplifies installation, it also allows the tiles to be separated which adds to their design flexibility. Due to the nature of stone, variations in veining may occur. This is the natural beauty of the product.