Sweet Stamp Cake Topper Happy Halloween 14x15cm The Sweet Stamp Cake Topper Happy Halloween 14x15cm will complete your Halloween treat. The topper features text reading 'Happy Halloween', which has a black background with an orange lettering bleeding out. The letters have a width of 14 centimetres with a length of 7 centimetres, including the toothpick the topper is 15 centimetres long.