1. Open the self-sealed bag of potato chips.

2. Reach into the bag and take out the potato chips you need.

3. After taking out the potato chips, empty the remaining potato chip packaging openings as much as possible.

4. Gently press the self-sealing on the bag with your finger or palm to ensure the sealing.

5, along the edge of the self-sealing, gently slide with your fingers or palm, so that the self-sealing is completely closed.