Question: what is the length width and height of an envelope?
Answer: DL Envelope Size measures 220mm (width) x 110mm (height) or 22cm x 11cm or 8.66inches x 4.33inches. C0 Envelope Size measures 917mm (width) x 1297mm (height) or 91.7cm x 129.7cm or 36.1inches x 51.5inches. C1 Envelope Size measures 648mm (width) x 917mm (height) or 64.8cm x 91.7cm or 25.5inches x 36.1inches.