In the video, a person is seen using a vacuum sealer to seal a bag of food. The person places the bag on the sealer and presses down on the lid, activating the vacuum sealing process. The sealer removes all the air from the bag, causing it to tightly conform to the shape of the food inside. The person then picks up the sealed bag and shows it to the camera, demonstrating the effectiveness of the vacuum sealing process. The bag appears to be made of a clear plastic material, allowing the viewer to see the contents inside. The food inside the bag looks like it could be some kind of meat or vegetable, but it is not clearly identifiable. The sealer itself is white and appears to be made of sturdy plastic. Overall, the video demonstrates the use of a vacuum sealer to preserve food and extend its shelf life.