The Kaa'ba is covered by a black cloth known as 'Kiswa', which is produced & changed every year. There is a special factory designed for the making of Kiswa in Makkah. It costs approximately SR 17 million. The cloth is made of 670 kgs of silver dyed black, about 120 kgs of pure gold & 50 kgs of silver used in writing the Qur'anic verses over the cloth. The total area of the cloth is 658 sqr metre.