In the video, a person is seen decorating a cupcake with blue frosting. The person is using a piping bag to apply the frosting in a circular motion, creating a swirl pattern on top of the cupcake. The frosting is a light blue color, and the cupcake appears to be on a white surface. The person's hand is visible, but their face is not shown in the video. The video is shot from a close-up angle, focusing on the cupcake and the person's hand. The person's movements are steady and precise, indicating that they are experienced in cupcake decorating. The video does not contain any other objects or people, and there is no background noise or music.