A simple pillow sham or cover. Use it with a purchased pillow or recycle an older pillow like I did. Just a giant granny square with separate overlapping back pieces. This allows you to remove the pillow for washing, a necessity in my house with 5 dogs. Any yarn may be used. Gauge is not really important. Make the pieces to fit your pillow using the age-old eye ball test! I have tried to make this pattern absolutely accurate. If you have any problems, please send me a message and I will help in any way I can. Thanks very much for considering my pattern as a new addition to your collection.