Hello Kitty Edible Cake Image Officially licensed Hello Kitty Edible Cake image. Place on top of your frosted cake, cookie cake, or ice cream cake. The image is 8 inches in diameter. The image will arrive new in a sealed ziplock back. Peel off the backing and place on the cake. The edible cake image is made of tapioca starch, corn syrup, sugar, water, canola oil.