 The materials used are silk, a combination of wool and cotton and sometimes gold or silver threads.The Ottoman sultan, Abdülmecid I founded the Hereke Imperial Manufacture in 1841 to produce all the textiles for his Dolmabahçe Palace on the Bosphorus.He gathered the best artists and carpet weavers of the Ottoman Empire in Hereke, where they began producing high quality rugs and large carpets with unique patterns.