Colored Poly Mailers for Major Online 1)Perfect apperance for mailing 2)Opaque, with ... red outer and black inner Colored Poly Mailers for Major Online Colour in options, perfect apperance for mailing items, ... A1technical drawings, postersA1, A2flip chartsA2, A3drawings, diagrams, large tablesA4letters, magazines, forms, catalogs, laser printer and copying machine outputA5note padsA6postcardsB5, A5 ...