paper envelope: 1.high quality,competitive price 2.supply paper envelope 3.OEM paper envelope paper EnvelopeSpecification:DL envelope,western envelope styleCustomized items are available MATERIAL80gsm – 350gsm Gloss art paper, Matt art paper60gsm – 200gsm Wood free paper48gsm – 110gsm Dictionary paper14gsm – 24gsm Tissue paper200gsm – 450gsm C1S card, white card, grey card90gsm – 300gsm special ...