 The manuscript was written on parchment and, at 20 inches high by 14 inches wide, and weighing more than 57 pounds (26 kilograms), is one of the largest and heaviest codices to have survived anywhere.It contains 521 s. 

The illuminated Nuremberg Mahzor contains prayers and piyyutim
for the whole year according to the Eastern Ashkenazi
(Austrian) rite, the five Megillot and the Haftarot.The Nuremberg Mahzor got its name from its home for more than 300 years – the Nuremberg municipal library in Germany.