Pyrex Pie Mould Glass Ø31cm The Pyrex Pie Mould Glass Ø31cm is not only very practical, but also looks great! The mould has a diameter of 31 centimetres, is made of glass and has a ribbed side. The mould can be used in the oven, microwave and freezer. Moreover, the mould is also dishwasher-safe. Ideal to bake a quiche or pie in.