OPEN - DOUBLE GUSSET

L1	312 x 215 x 101.5mm Minimum Sheet Size: 680 x 445mm Open - Back Page Flap - Double Creases

L2	307 x 220 x 70mm Minimum Sheet Size: 700 x 415mm Open - Back Page Flap - Double Creases

L3	315 x 225 x 80mm Minimum Sheet Size: 720x 430mm Open - Back Page Flap - Double Creases