Manilla is an alternative form of manila.

As nouns the difference between manilla and manila

is that manilla is a penannular armlet, mostly in bronze, copper or gold, which served as a form of money or barter coinage amongst certain west african peoples while manila is fiber made from abaca (manila hemp), used to make ropes and manila paper.

As a adjective manila is

of or pertaining to manila or manilla, the capital of the philippines; made in, or exported from, that city.