Cakedrum Silver Rectangle 40.5x30.5cm The Cakedrum Silver Rectangle 40.5x30.5cm has a silver colour. The shape of the drum is rectangular with a size of 40.5 by 30.5 centimetres. Perfect for presenting cakes with a special or rectangular shape on it. The cake drum is thicker than a cake board, making it sturdy enough for a slightly heavier cake.