There seems to be quite a variety of muslin out there - and at a variety of prices. How do I know which are good bargains, yet without sacrificing quality? What should I look for? What should I avoid? - a Quilter's Review reader You are very observant! There is indeed a wide variety of muslin fabrics in terms of quality, which usually determines price. Comparison is probably the best method to use when determining quality of muslin, or any fabric. Find a piece of good quality muslin, at least 9" x 9", and carry it with you to the shops.