The four walls of the mausoleum have a 4 feet (1.2 m) and 6 inches (15 cm) thick masonry wall, with 3 inches (7.6 cm) cladding on both sides, making its final thickness of 5 feet (1.5 m), which reflects the members of Ahl al-Bayt. The outer walls are decorated with the names of the Ahl al-Bayt and the Fatimid Imams as well as the Duʿāt Mutlaqīn in the Kufic script. The four entrance doors to the shrine have been specially designed to match the entrance gate of Aqmar Mosque in Cairo built by Imam-Caliph Manṣūr al-Āmir bi Aḥkām Allāh.