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Browse our selection of Silk #100, popular for appliqué and quilting!

We've been supporting quilters and sewists for 46+ years! Learn about our history.

Soft Touch

Designed for smooth, precise stitching. Perfect for bobbin work, precision piecing, and appliqué. Available in 20+ stunning colors in three different sizes.

You've Seen Our Threads

  • On Your Quilts

  • On Your Appliqué

  • On Your Embroidery

  • On Your Clothes

  • On Your Sewing Machine

  • On Your Longarm Machine

  • On Your Serger

Thread Mastery Institute

  • macro photo showing the thickness of different threads against a light blue background

    Thread Weight Explained

    Thread weight reveals a world of complexity and detail that can be as intricate as the stitches themselves.

  • M-style bobbin case with tension screw visible

    Master Your Bobbin Tension

    Adjusting your bobbin tension can help you dial in balanced stitches and avoid unpicking.

  • colorful spools of majestic quilting thread

    Quilting Threads Are Majestic!

    Learn what makes quilting threads unique. What is gassing, mercerizing and twist?

  • Cotton Staples Explained

    Learn about short, long, and extra-long staples and how they can affect stitch quality.

Why Do We Love Topstitch Needles?

Topstitch Needles are the perfect choice for quilters and sewists who want fewer thread breaks and value long-lasting products (don’t we all?). Five individual needles per pack, they are specially designed to provide an excellent stitching experience, thanks to the unique benefits of an extremely thin coating of titanium nitride and the bonus thread-protective properties of the needle design.

detailed photo of four sewing machine needles stacked in a row
portrait of Bob Purcell

Our Story

For over 46 years, Y.L.I. Threads has provided unmatched expertise, quality, and service. Our team, with over 100 years of combined experience, ensures we deliver the finest products, from premium threads to essential notions. We pride ourselves on fast, friendly service and sharing our deep knowledge of sewing and quilting. Education is at our core—empowering you with knowledge is key to your success. Trust us to help you achieve your goals – we guarantee you’ll love the results.

Our product range includes high-quality threads for sewing, quilting, and serging. We've sourced the finest materials, using advanced finishing techniques to produce smooth, consistent thread. Whether you're a beginner or a professional, our threads support quilters and sewists at every level. We help you create with confidence and success, transforming creativity into cherished memories.
Y.L.I. - You'll Love It. That's our promise.

Bob Purcell