Perfect pillows will allow you to make pillow cases that look great, feel great, and they wear great. There is no reason to fear putting in an invisible zipper anymore. The steps of this pattern make it easy to achieve professional results. How fabulous is it to take a perfect pillowcase off to launder, or to replace the old pillow form! These instructions will give you insight into making pillowcases for a variety of pillow sizes! Have Fun.