Ключевые слова: air, airmail, background, blank, brown, bunch, business, card, cardboard, cargo, communication, correspondence, cover, craft, delivery, document, envelope, envelopes, file, grunge, heap, kraft, letter, mail, mailing, message, object, office, package, packaging, packet, paper, paperwork, parcel, pile, post, postage, postal, recycled, rope, send, sheet, space, stack, stationery, stock, template, texture, white, yellow,