Mulboos khas was a special kind of mulmul cloth made for the King and used for Royal clothing in the Mughal Empire. The Mulboos khas was a kind of first-grade muslin exclusively manufactured in Royal Karkhanas (''Mulboos khas kootees''[1]: 160 [2]) notedly in places like Dacca, Sonargaon, Jangalbaree. Nur Jahan, the empress, was a great admirer of Dacca muslins. Mulboos khas was the finest and most expensive type of muslin, and it was used exclusively in Imperial use.[3]
Mulboos Khas was an item of gift exchanged between the emperors and nobles.[4] Murshid Quli Khan who was the first Nawab of Bengal was used to send Mulboos khas to Aurangzeb.[1]: 161 [2][5]
It was also sent to Delhi for the Royal use.[6]: 73
The contemporary quality was "Sarkar-i-Ali," which was used for lower hierarchy.[3]
Mulboos khas was a piece material with 10 yards X 1-yard dimensions when produced of half-length. It was having 1800-1900 threads in warp. "Malmal khas" was the successor of Mulbool khas.[3]
They were included in the nuzzur , the yearly offering of the Nawab of Bengal to the Mughal Emperor . The cloth was called mulboos khas , the buildings housing the workshops , mulboos khas kootee