36ct small, fine, adhesive sandpaper circles. Applied to thecorners of rulers to hold firmly in place when rotarycutting. Also hold templates when marking seam allowances onfabric.
Hint: When looking to purchase a book on-line, if you go to the publisher and type in the title, you can generally see all the projects in the book. For example: Shopmartingale.com, or C&T Publishing. (Patchwork Place books are part of Martingale Publishing.)