Moda Holiday Essentials: Halloween fat quarter assortment by Stacy Iest Hsu. 20 Halloween fat quarters. This fat quarter bundle by designer Stacy Iest Hsu contains 20 assorted fabric pieces from the Holiday Essentails Halloween collection. Each piece is cut 18" x 21". Pumpkins, bats, spiderwebs, skulls, cats and ghosts. A perfect little assortment. 100% cotton fabrics.