Culpitt Cupcake Box 6/12 Sprinkles (tray-window) 20pcs. The Culpitt Cupcake Box 6/12 Sprinkles (tray-window) 20pcs has a pink and white colour on which colourful sprinkles are depicted. There is a transparent window at the top, giving you a good view of the cupcakes. The box is 24 centimetres long, 16.7 centimetres wide and has a height of 7.7 centimetres. There is room for 6 standard cupcakes or 12 mini cupcakes.