1. Closed volume bagging form, suitable for the automatic packing machine; 2. Pre opening of the plastic bag open automatically, facilitate automatic packaging operations; 3. Side is easy to tear off some dental floss, or plane hole, hole is convenient to hang; 4. A perforation allows the end-user to easily access the product by providing a convenient way to tear the bag open. This feature is especially useful when using heavy gauge bags and can be oriented in the horizontal or vertical direction; 5. The bags are made with a clear material on one side and a colored material on the other, typically white. The benefits of a duplex bag are that the print on the colored material is very legible, while the contents inside are still visible from the clear side.
 

Food industry: Plastic bags are widely used in food packaging, such as vegetables, fruits, candies, snacks, nuts, bread, meat, frozen foods, etc. They can provide food preservation, moisture-proof, oxidation-proof and contamination-proof functions.

Beverage industry: Plastic bags are often used for beverage packaging, such as juice, dairy products, coffee, tea, etc. Plastic bags can provide convenient single-use packaging or portable packaging, and are leak-proof and keep beverages fresh.

Pharmaceutical and medical industry: In the pharmaceutical and medical field, plastic bags are used for pharmaceutical packaging, medical device packaging and biological sample storage. These plastic bags are often required to have strict hygiene standards and leak-proof properties to ensure the safety and effectiveness of pharmaceuticals.