... available.Specifications of plastic mailing bag Description of mail bagsMaterialLDPE, HDPE or other puncture resistance materialSize as ... tear. (4)Allows for excellent high resolution color printing and hand-writing, labelling. (5)High strength seams ... , A1technical drawings, postersA1, A2flip chartsA2, A3drawings, diagrams, large tablesA4letters, magazines, forms, catalogs, laser printer and copying ...