Non woven, 100% polyester sheets are designed to work with inkjet or laser jet printers. You can easily trace the pattern yourself with a fine-point permanent marker. Stitch n Sew sheets provide support and are easily removed by tearing away, up to the stitches, without distorting your project. Washable and dryable. 'Stitch N Sew EZ-Print Quilt Block Sheets' by Therm-O-Web. Pack of 20 8 1/2" x 11" sheets.