BrandNewCake Cake Ring Stainless Steel Square Perforated 20x2cm The BrandNewCake Cake Ring Stainless Steel Square Perforated 20x2cm is a square shape measuring 20 by 20 centimetres. The edges are perforated, which has several advantages. During baking, the holes in the edges allow the heat to spread and the moisture to escape. This gives you a crispy and even dough. Ideal to use, for example, for preparing tartlets and quiches.