This stencil cake set has many ways for you to create a colorful Happy Birthday Plaque for your cakes. Plaque size is 5.5″ W x 4 1/8 ” H. Numbers are 1″ H. You can use the plaque shaped opening to air brush or brush with powders the shape right onto your surface. Then use the lettering and numbers to complete by either troweling on royal icing or brushing on a contrasting color.