Hand Knotted Wool Ivory Oriental Classic Heriz Serapi Rug. The designs of Heriz Serapi rugs are highly decorative and have made quite a name for themselves among the weaving culture since the 19th century. . Hand-Knotted rugs are high quality ornaments that can last several years, if well kept. Today, most museums around the world, exhibit intact pieces dating back thousands of years.. With its hand-knotted construction, this rug provides durability that cannot be found in other handmade rugs. This rug features compelling global-inspired designs brimming with elegance and grace! The perfect addition for any home. This rug will last you for many years to come, under everyday usage and foot traffic. Wool is a stain resistance material by it's nature and is very easy to clean..