Corrugated flute boxes are are cheaper alternative for premium rigid boxes. Main difference between two of them is base material. For this type of box is e-fluted corrugated board lined with printed or art paper is used instead of rigid grey board. Corrugated flute boxes can come in few different options: brown/brown, brown/white, white/white, black/black. If not lined with paper, corrugated flute boxes are mainly used as a mailing boxes. Astounding visual effects can be reached using corrugated board for flute boxes, combining it with different lining papers and post print finishing options. FEFCO coding system for endless options is used to define needed construction.