Quilted Pillow Cover Blank, 19in x19in Mist Blue Linen, Herringbone Quilting. Create beautiful decor for your home. Kimberbell's Quilted Pillow Blanks are easy to embellish with serged, open side seams and a sewn in zipper. Simply add your favorite design, stitch up the sides, and insert a pillow through the invisible zipper. Ideal for both sewing and embroidery machines, Quilted Pillow Blanks are fully lined and prequilted in a variety of patterns and colors.