All buttercream (except the hat). The letters D and H are All buttercream (except the hat). The letters D and H are frozen buttercream tr… All buttercream (except the hat). The letters D and H are frozen buttercream transfers…. Fancy Cakes, Mini Cakes, Cupcake Cakes, Cup Cakes, Graduation Cake Designs, Graduation Ideas, Graduation 2015, Graduation Cupcakes, Graduation Parties