Olympus pre-printed Sashiko Fabric is 100% cotton and is a medium weight fabric (compared to Hana Fukin fabric). It is great for bags, home decor projects, and quilts. Note: Wash the fabric only AFTER all the sashiko stitching is complete as the pre-printed lines are washable. You may leave any section unstitched if desired as the markings will disappear when washed in soapy water. 100% cotton, approximately 110 CM wide We sell by panel count. 1 Panel is about 54 cm long, 110cm wide, and includes 8 grids of different patterns.