Gutermann Jeans Thread is a special thread designed to work with all those special jeans and denim fabrics So whether you are making something special out of denim, or repairing your jeans, or denim apparel, you'll definitely need this special thread Polyester/Cotton Indigo 200m- 70% Polyester/30% Cotton Each spool has approximately 220 yards Gutermann Jeans Thread is a special thread designed to work with all those special jeans and denim fabrics. So whether you are making something special out of denim, or repairing your jeans, or denim apparel, you'll definitely need this special thread. Polyester/Cotton Indigo 200m- 70% Polyester/30% Cotton. Each spool has approximately 220 yards.