40wt · 164yds/150m · 100% Cotton · Made in Germany

Mettler Silk-Finish 40wt Cotton Thread 9136-0818 Sweet Boy is a trusted choice for quilters who want smooth, consistent results. Mercerized for strength and shrinkage resistance, its silk-like finish reduces friction for clean seams, precise piecing, and beautifully subtle quilting stitches.

Key Features

• 40wt weight — ideal for piecing, appliqué, and machine quilting
• 164yds/150m per spool
• 100% long-staple mercerized cotton — low lint, high strength
• Silk finish for smooth, consistent stitch formation
• Compatible with domestic sewing and quilting machines
  

Recommended Uses

• Piecing, English Paper Piecing, Needle Turn Appliqué
• Machine Appliqué (Straight Stitch, Zig Zag, Blind Hem, Blanket Stitch)
• Machine Quilting, Whole Cloth, and Dense Quilting
• Hand Quilting and General Sewing

Needle Recommendations

• 80/12 Microtex/Sharp, Universal, or Quilting Needle
• Manufacturer recommends needle size 80–90