The mould is provided with a revolutionary internal border which gives a lightly rounded shape to the base of your preparations. This is the insert portion ONLY of the cake. Recommend purchasing the round mold as well to make the complete cake as shown. Made from LSR liquid silicone Usable across a temperature range from – 60°C a + 230°C. Can be taken from the oven/microwave and placed immediately in the fridge freezer and vice versa. No butter or other fats are required to grease the moulds. 6.93 x 6.93 x 0.2 inches