This edible image cake topper is a thin frosting sheet that is 7.5 inches and will fit an 8 inch cake. Trim to size. Apply directly to the buttercream iced cake. Allow an hour to melt into the buttercream (May have to dab the buttercream to moisten before applying the topper) As long as the sheet is stored properly, it will last a couple months. Ingredients: Available upon request. This listing is for GRAPHICS EDITING SERVICES ONLY. All supplies are purchased from an authorized dealer. This item is to be used for personal use only and not to be resold in any way. You are charged for my time and supplies used to create your personal edible topper. Images used are not being sold and I do not claim ownership over them. This item is prepared in a home kitchen approved by the state health department.