Grammage greater strength. Paper weight is sometimes stated using the "#" symbol. For example, "20#" means "20 pounds per basis ream of 500 sheets". When the density of a ream of paper is given in pounds, it is often accompanied by its "M weight". The M weight is the weight (in pounds) of 1000 cut sheets. Paper suppliers will often charge by M weight, since it is always consistent within a specific paper size, and because it allows a simple weight calculation for shipping charges. For example, a 500-sheet ream of 20# copy paper may be specified "10 M". 1000 cut
Perforated paper the paper is of a heavy weight, it does not require a hoop or frame when stitching. Perforated paper is manufactured in a number of different colours and is typically sold as 14-count A4 size sheets. The "count" refers to the fact that there are 14 holes/perforations per linear inch. This material, known as "Perforated card-board" at the time, first became available in the 1820s as plain sheets used for the creation of bookmarks and small mottoes and sayings, often taken from the Bible. By the 1870s the Victorian craze for this inexpensive and versatile craft material was at its