The video shows a person using a piping bag to apply icing to a cake. The icing is in various colors, including green, yellow, blue, and purple. The person starts by piping a green line of icing, followed by a yellow line, then a blue line, and finally a purple line. The icing is applied in a straight line across the top of the cake. The cake is placed on a pink tray, and the background is pink as well. The person's hand is visible as they pipe the icing, and they have a tattoo on their wrist.