Pack of 100 cards in one case. Features: A bag that can be opened and closed repeatedly. Work speed is increased compared to bagging work such as sealing with other bags. Passes food hygiene laws and standards for food and additives. The opening has a step difference for easy opening. The shape of the chuck has been finely crafted to make it easy to open and the seal strength is improved by internal pressure to prevent the mouth from opening easily with the pressure of the contents inside. Transparent bags make it easy to identify contents