quire

/kwī(ə)r/

Noun

1. 25 sheets of paper; one twentieth of a ream.

While multi-purpose office paper is usually packaged by the ream (500 sheets), high quality digital art inkjet photographic paper sheets are most commonly sold in packs of 25.

“I bought 2 quires of Moab Entrada Bright 190gsm 13″ x 19″ cotton rag paper.”