Red Kona Cotton. Priced per half yard. Yardage sold continuously up to 15 yards. Robert Kaufman. 100% Cotton, 44 Inch Wide Fabrics. Sold by the yard. Robert Kaufman Kona Cotton sets the standard in the industry for high quality solid quilting fabric. Kona Cotton is made from premium long staple cotton, 4.3 ounces per square yard. Priced by the yard.