Cartoon envelope 1.Size: According to customers' request. 2.Mailing used ... , booklet, flyer, brochure, paper bag, book, hardcover book,cartoon envelope,letter envelope, folder, pamphlet, flyer, catalogue, poster, shopping bag,paper box ... In: Single, Double Or Triple wall A, B, C, E Flutes and so on.2)colorfull color or Pantone ( 4C ... printing service for you as your request. Cartoon post envelope E005