REVERSE TUCK IN (RTI): Both The Tuck In Flaps Of The Carton Are Located On The Opposite Side Of Each Other. The Flap On The Side Of The First Panel Is Folded And Tucks Into The Last Panel While The Lap On The Side Of The Last Panel Is Folded And Tucks Into The First Panel.

STRAIGHT TUCK IN (STI): The Tuck In Flap Of The Carton Folds From The Last Panel And Tucks Into The First Panel. Both The Flaps