7 inch inch Round Victoria Surprise Set of 2 Tins, 4 BasesSilverwood Sandwich tins are all 1. 5" deep with vertical sides. This ensures that the sponge mixture rises to its maximum height giving a desirable deep, feather light sponge. The vertical sides (as opposed to tapering sides), produce a better looking more classical sponge, and by using the raised bases instead of the flat ones (never both together) you can create a hidden cavity to house your favourite creamy fruity filling. The loose base combined