What's a jelly roll? They are long strips of fabric that are 2 1/2 inches wide. They are precut and ready to use. They come all rolled up, hence the name jelly roll. One of the reasons I like them ...

You can also use fabric to cover the exterior ... then wrap each one in string or fabric that matches your tape roll base. Draw a border around the inside of your cardboard lid around 1 centimeter ...