Units of paper quantity Units of paper quantity Various measures of paper quantity have been and are in use. Although there are no S.I. units such as quires and bales, there are ISO and DIN standards for the ream. Expressions used here include U.S. Customary units. A quire of paper is a measure of paper quantity. The usual meaning is 25 sheets of the same size and quality: of a ream of 500 sheets. Quires of 25 sheets are often used for machine-made paper, while quires of 24 sheets are often used for handmade or specialised paper of 480-sheet reams. (As an old UK
Toilet paper paper, normally white, with embossed decorative patterns or designs in various colors and different sizes depending on the brand. Colored toilet paper remains commonly available in some European countries. An unintended problem with the design of the laminated construction of the sheets in a roll is that, on occasion whilst un-rolling, separation occurs between laminations rather than at the intended interface. Perforations then become misaligned and sheets cannot be torn off cleanly. The problem is resolved by careful un-winding of one or more laminations until the perforations re-align. A toilet roll holder, also known as a toilet paper dispenser, is