Letter (paper size) "official" "Government Letter" size, , was used in government, while paper was standard in most other offices. In the U.S., paper density is usually measured in "pounds per ream" (of 500 sheets). Typical Letter paper has a basis weight of paper of – the weight of 500 sheets (a ream) of paper at and at 50% humidity. One ream of 20-pound Letter-sized paper weighs , and a single Letter-sized sheet of 20-pound paper weighs , which is equivalent to 75.19 g/m. Some metric information is typically included on American ream packaging. For example, 20-pound paper is also labeled as 75
Paper craft usually are done on one single sheet. In either of these traditions, paper sheets are folded prior to cutting to achieve symmetrical designs. Images built using colored paper pulp are a form of paper art that started in the 20th century. Chuck Close, Lynn Sures are among contemporary artist developing this medium. Paper pulp craft is widely used in rural India for making kitchen utility baskets. Paper craft Paper craft is the collection of art forms employing paper or card as the primary artistic medium for the creation of three-dimensional objects. It is the most widely used material in arts