Adler Unprinted Carton (Existing Carton): 3 Ply E fluted carton in size: 290 x 140 x 65 mm, Top – 230 GSM Duplex Board, Flute – 150 GSM / 16 BF Kraft Paper, Bottom – 225 GSM / 35 BF Kraft Paper. Carton in self Locking Style.