Cellophane is a thin, transparent sheet made of regenerated cellulose. Its low permeability to air, oils, greases, bacteria, and water makes it useful for food packaging. Cellophane is highly permeable to water vapour, but may be coated with nitrocellulose lacquer to prevent this.
As well as food packaging, cellophane is used in transparent pressure-sensitive tape, tubing and many other similar applications.
Unlike many other similar materials, cellophane is biodegradable. However its manufacture employs toxic chemicals.
"Cellophane" is a generic term in some countries, while in other countries it is a registered trademark.
An envelope is a common packaging item, usually made of thin, flat material. It is designed to contain a flat object, such as a letter or card.
Traditional envelopes are made from sheets of paper cut to one of three shapes: a rhombus, a short-arm cross or a kite. These shapes allow for the creation of the envelope structure by folding the sheet sides around a central rectangular area. In this manner, a rectangle-faced enclosure is formed with an arrangement of four flaps on the reverse side.
White is the lightest color and is achromatic (having no hue). It is the color of fresh snow, chalk and milk, and is the opposite of black. White objects fully reflect and scatter all the visible wavelengths of light. White on television and computer screens is created by a mixture of red, blue and green light.
In ancient Egypt and ancient Rome, priestesses wore white as a symbol of purity, and Romans wore a white toga as a symbol of citizenship. In the Middle Ages and Renaissance a white unicorn symbolized chastity, and a white lamb sacrifice and purity. It was the royal color of the kings of France, and of the monarchist movement that opposed the Bolsheviks during the Russian Civil War (1917–1922). Greek and Roman temples were faced with white marble, and beginning in the 18th century, with the advent of neoclassical architecture, white became the most common color of new churches, capitols and other government buildings, especially in the United States. It was also widely used in 20th century modern architecture as a symbol of modernity and simplicity.
According to surveys in Europe and the United States, white is the color most often associated with perfection, the good, honesty, cleanliness, the beginning, the new, neutrality, and exactitude. White is an important color for almost all world religions. The pope, the head of the Roman Catholic Church, has worn white since 1566, as a symbol of purity and sacrifice. In Islam, and in the Shinto religion of Japan, it is worn by pilgrims. In Western cultures and in Japan, white is the most common color for wedding dresses, symbolizing purity and virginity. In many Asian cultures, white is also the color of mourning.
A sticker is a type of label: a piece of printed paper, plastic, vinyl, or other material with pressure sensitive adhesive on one side. They can be used for decoration or for functional purposes, depending on the situation.
Stickers can come in many different shapes and sizes and also vary widely in colour and design. They are often adhered to items such as lunchboxes, paper, lockers, notebooks, walls, cars, windows, and so on. Temporary name tags for example are frequently stickers.
Stickers are very widely used when an object requires identification with a word or idea. Brand stickers may be attached to products to label these products as coming from a certain company. They may also be used to describe characteristics of the products that would not be obvious from simple examination. A label dispenser is often used as a convenient way to separate the sticky label from its liner or backing tape.
Stickers placed on automobile bumpers, magnetic and permanent, called bumper stickers, are often used by individuals as a way of demonstrating support for political or ideological causes. Identification of vehicle registration and last service details are two examples of stickers on the inside of most car windscreens. The term "window sticker" is generally used for vinyl labels which are stuck to the inside of a vehicle's window, as opposed to water-resistant stickers that are stuck to the outside of a vehicle but can be affixed to anything.
Stickers are also used for embellishing scrapbooking pages. Kinds of stickers sold for this purpose include acrylic, 3D, cardstock, epoxy, fabric, flocked, sparkly, paper, puffy, and vellum. While in the earlier days of scrapbooking stickers were sold mostly on 2"x6" sheets, now[when?] 6"x12" and even 12"x12" size sheets are very common.
Stickers applied to guitars are called guitar decals. Post-it notes are removable stickers having glue on only part of the back, and are usually sold blank.
They are frequently distributed as part of promotional, and political campaigns; for example, in many voting districts in the U.S., stickers indicating an individual has voted are given to each voter as they leave the polling place, largely as a reminder to others to vote. Observers may clap hands, honk a horn or otherwise applaud a good sticker.
Forming a partnership with FIFA in 1970, Panini first produced a World Cup sticker album for the 1970 World Cup. Initiating a craze for collecting and trading stickers, since then, collecting and trading stickers has become part of the World Cup experience, especially for the younger generation. UK newspaper The Guardian states, “the tradition of swapping duplicate [World Cup] stickers was a playground fixture during the 1970s and 1980s.”
Stickers placed on tires, usually called tire lettering, can be temporary or permanent. These spell out names or have graphics on them, to enhance the look of the car.