Layer Cakes are pre cut 10" fabric swuares. Each layer cake consists of 2-3 of each of the specified fabric lines designs. You can use a layer cake to create a quilt, or use more to create a larger quilt. You can also cut up layer cakes to suite your quilts needs. If you want a quick fabric stash builder, than layer cakes are a quick and easy way to build up your fabric stash.