New style paper business envelope : 1.Size: any size(DL,C5,C4 ... /craft paper 3.Style:seal, window New style paper business envelope: Envelope1. Size: any size(A4, DL,C5 ... to this product have been provided for reference only. We do not have any intellectual property rights over the trademarks ... on our products, please feel free to contact with us by mail or phone. New style paper business envelope