The video shows a person decorating a cake with green and red frosting. The cake is rectangular in shape and has a white base color. The person uses a piping bag to apply the frosting in a specific pattern, creating a design that resembles a Christmas tree. The green frosting is used to mimic the foliage of the tree, while the red frosting is used to create the ornaments. The person's hands are visible as they work on the cake, and they are wearing a red long-sleeved shirt.