Wilton Transport Box Round Reversible Bottom Ø30.5cm This pretty transport box has a double-sided bottom. One side of the bottom is smooth for transporting cakes, flans and cakes, and when the bottom is turned over there are edges where you can put cupcakes or muffins inside so they don't fall over while transporting. Size: Ø35.5 x 15(h) cm for cake max 30.5 cm.