the sawtooth tape / Office products

The adhesive tape of sawtooth
In the daily life, we frequently use the scissors or our teeth to tear open the ordinary adhesive tape, not convenient,not health, but, few people note this question.
The adhesive tape of sawtooth then has solved this problem well, it may be conveniently tore open by the hand. And this kind of technology is simple and feasible, the cost of production certainly does not have the increase in the original foundation.