Mettler Silk Finish Cotton 50 is perfect for sewing and quilting thread. It is has a super soft look and feel. It has a high breaking point, reduced shrinkage and is heat resistant. It is 100% Egyption long staple cotton. Mercerized and very strong. It is color fast. Needle size 80-90. Comes in 72 colors The smaller size would be article 9105 which comes in more colors.