In the video, a person is seen holding a black Samsung phone in their left hand and a black phone case in their right hand. The person is demonstrating how to attach the case to the back of the phone. They carefully align the case with the phone's camera and other features, then slide the case onto the phone. The person adjusts the case to ensure it fits snugly and securely on the phone. Throughout the video, the person's movements are deliberate and precise, indicating a focus on accuracy and attention to detail. The background is a wooden surface, which provides a neutral and unobtrusive backdrop for the demonstration.