The video shows a person sitting in a car seat and adjusting the straps. The seat is black and has a five-point harness system. The person is seen pulling the straps and buckling them into place. The seat appears to be designed for safety and comfort, with padded sides and a contoured back. The person adjusts the straps multiple times, ensuring they are securely fastened. The video provides a close-up view of the seat and the person's hands as they adjust the straps.