... Advantage of plastic mailing bag(1)Colour in options, perfect apperance for mailing items, colour in options - grey, white, ... , neon green, orange, so we can meet any colour. (2Most efficient mailing bag, made of opaque and new ... chartsA2, A3drawings, diagrams, large tablesA4letters, magazines, forms, catalogs, laser printer and copying machine outputA5note padsA6postcardsB5, A5, B6, A6booksC4, C5, ...