The WAT, Water Activated Tape (gummed paper), not only close the box but it locks it!
It is the most safe and economic system to seal carton boxes.
The gummed paper has many advantages, specially it definitively seals strongly the package, it is unaffected by extremes cold, heat, light or humidity, it has an easy and ecological recycling and saves material using the dispenser that cuts the exact length needed.
ADVANTAGES OF THE PAPER TAPES