1. This series allows for complete sealing simply by pressing the cap when filling with contents, making the production process is simple (low facility cost required for auto capping). A screw type cap, it is easily opened with a minimum of turning.
2. In the event that the cap is tampered with, the condition of the cap will make it obvious, making this a safe product.
3. The cap is designed in a screw type that middle-aged people prefer....