Studio RK Kona Cotton Solids Wondrous Woods Roll Up 40 2.5-inch Strips Jelly Roll Robert Kaufman Fabrics RU-444-40 Kona Cotton Solids Wondrous Woods collection from Robert Kaufman Fabrics Designed by Studio RK Roll Up (Jelly Roll) includes 40 2.5-inch by 44-inch (width of fabric) strips 100% Cotton; premium quilt shop quality fabric Precut, rolled and secured with a paper strap by the manufacturer