Madeira Cotona No. 50 is the perfect cotton quilting thread for the discerning quilter. Made of extra-long staple, double mercerized Egyptian cotton, Cotona is made in Germany according to the most stringent quality and environmental guidelines. A soft and smooth lubricated thread treated with a special procedure for virtually no lint, Cotona's high tensile strength and consistent sheen make it the ideal cotton quilting thread for machine quilting, applique, piecing and lace.