Cake Mix - You can use ONE LAYER CAKE AND ONE JELLY ROLL or FAT QUARTERS AND STRIPS! A Layer Cake is a bundle of pre cut 10" squares. You can make your own Layer Cake from scraps, or follow the directions for fat quarters! For the large squares can use 1 Layer Cake Bundle or 15 Fat Quarters. For the strips you can use 1 Jelly Roll or 12 Quarter Yard Cuts. Finished size: 77-1/2in x 91in.