The Bottom Line thread is a perfect thread for a variety of quilting techniques. It is a super skinny 60 weight polyester thread. This makes it ideal for winding your own bobbins. In fact, APQS longarm machines are timed at the factory with the Bottom Line thread in the bobbin! You'll have no trouble finding the perfect match for your top thread because Bottom Line is available in 55 colors. Plus, You don't have to just use it in your bobbin! The Bottom Line thread is also amazing as a top thread. It is fantastic for any quilting design with lots of backtracking because it is such a skinny thread. Grab a cone of the Bottom Line thread the next time you're quilting feathers, stitch-in-the-ditch, or micro stippling!