Envelopes printed on woodfree paper or kraft paper 80gsm, 100gsm, 120gsm, 140gsm, showing good effect. Envelope size: DL (220mm x 110mm), C5 (229mm x 162mm), C4 (324mm x 229mm) Single sided printing, full color printing or 1 color, 2 color, 3 color, 4 color are available. Other paper, style, size, and any printing services, please feel free contact us. Click here to get a free quote, we'll give you our best price.
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An envelope a packaging product, usually made of flat material such as paper or cardboard, and designed to contain a flat object, which in a postal-service context is usually a letter, card or bills. The traditional type is made from a sheet of paper cut to one of three shapes: the rhombus(also referred to as a lozenge or diamond), the short-arm cross, and the kite. These designs ensure that in the course of envelope manufacture when the sides of the sheet are folded about a delineated central rectangular area, a rectangular-faced, usually oblong, enclosure is formed with an arrangement of four flaps on the reverse side, which, by virtue of the shapes of sheet traditionally used, is inevitably symmetrical.