6
other relevant sizing
RA & SRA series
mm
format
mm
format
Raw format A & Supplementary Raw format A
RA0
860 x 1220
SRA0
900 x 1280
RA1
610 x 860
SRA1
640 x 900
RA2
430 x 610
SRA2
450 x 640
RA3
305 x 430
SRA3
320 x 450
RA4
215 x 305
SRA4
225 x 320
DL Dimensions Lengthwise Dimensions lengthwise, known commonly as DL, is the most common sized envelope. Used for brochures and flyers alongside important documents. DL is exactly a third of A4 measuring 100mm x 210 mm. DL is also used for common products like compliments slips, door hangers, greetings cards and invitations to name a few.