Mettler Silk-Finish SFC28-KIT Thread Set is Egyptian cotton, 164 yards per spool. The natural fibre is gentle on the skin. Feels soft, smooth, and silk-like. Due to the mercerization process SILK- FINISH reaches a high breaking resistance, has reduced shrinkage and is ironing resistant It is the perfect thread for all you quilting and sewing needs. 18 spools in the following colors: 0046, 0111, 0109, 0504, 0450, 0120, 1057, 0020, 1091, 0314, 0757, 0247, 1314, 4000, 1282, 0322, 0265, 3612, 2000, 1222, 0900, 1002, 0825, 1304, 1316, 0350, 0039.