One 3.5 inch x 5.5 inch You Rock Pop Top Cake Decorating Kit. This cake kit is a molded plastic plaque featuring a guitar with the words You Rock on it, and the background is blue and yellow splashes. This cake kit makes decorating a cake fast and easy. Simply ice your cake, and lay this plaque on top. Use a simple tip of stacking some icing and setting your pop top against it so that it will sit at an angle.