BrandNewCake Dowels Snippable 30cm 4pcs. The BrandNewCake Dowels Snippable 30cm 4pcs provide sturdiness to your stack cake. The pack contains 4 pieces, which you can still cut to size. You insert the dowels into the cake and then cut the dowels to size. The dowels ensure that the base layer does not collapse and that the rest of the layers stay firmly together.