Hand Knotted Wool Blue Traditional Oriental Heriz Rug. The nature-inspired color palette of Serapi/Heriz rugs gives them an antique look, which has historically sought after for many years. hey commonly feature intricate medallions, followed by abstract florals and geometric designs. What makes the Serapi/Heriz so desirable, is their high endurance and longevity under high traffic.. Serapi/Heriz rugs are constructed by a labor intensive hand knotting process, made from thick plush piles of wool.. Through a time period of nearly 200 years, Heriz Persian rugs have been a favorite choice of Europeans and Western rug enthusiasts.. This Is a True Hand Knotted Rug, 100% hand spun, beautiful rug that age well.