Culpitt Cupcake Cups Foil Aqua Blue 50mm 50pcs. The Culpitt Cupcake Cups Foil Aqua Blue 50mm 50pcs consists of 50 cupcake cups with a shiny blue colour. The shiny colour does very well at a party, for example. The inside has a foil that ensures the colour on the outside is not affected. The cups have a diameter of 5 centimetres and are 3.5 centimetres high.