In 1997, the earliest stick bags on the market, all of them are straight bottle shape, the mouth of the bottle at the arc of the transition is natural, not abrupt, mechanics is not easy to break the bag leakage, the quality of the bag is the easiest to protect.

Straight bottle-shaped stick bag, solemn and simple, so it is most commonly used in traditional products, such as curdled yogurt, old yogurt, but also to the consumer to transmit the impression of holding the truth, the quality of the best.

Consumer and industrial products not purchased by individuals, such as solid alcohol, are also often selected for this packaging to minimize the risk of bag breakage.