Classic Linen envelopes are the luxury that is attainable. ÊClassic Linen Envelopes offer a finish uncomparable to anyone else, it is visually beautiful and reliable on the press. ÊClassic Linen is FSC certified and manufactured with 100% renewable green electricity. ÊAn A2 envelope fits a 4 1/4″ x 5 1/2″ sheet of paper or folded card into it.